- Father: Cynan Ap Iago of GWYNEDD
- Mother: Rhanult Or Ragnhildir of Dublin ingen OLAF
- Birth: 1055, Caernarvonshire, Wales
- Also known as: Gruffydd Ap Cynan Prince of Gwynedd
- Aka (Facts Pg): Burke titles him as King of North Wales
- Accession: 1081
- Aka (Facts Pg): King of North Wales
- Death: 1137, Caernarvonshire, Wales
- Burial: Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales
- Partnership with: Angharad Verch OWAIN
Marriage: Abt 1082
- Child: Rhanullt Verch Gruffydd of GWYNEDD Birth: Abt 1083, Caernarvonshire, Wales
- Child: Gwenllian I Verch Gruffydd of GWYNEDD Birth: Abt 1085, Caernarvonshire, Wales
- Child: Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD Birth: Abt 1087, Caernarvonshire, Wales
- Child: Elen Verch Gruffydd of GWYNEDD Birth: Abt 1089, Aberffraw Castle, Caernarvonshire, Wales
- Child: Merinedd Verch Gruffydd of GWYNEDD Birth: Abt 1091, Aberffraw Castle, Caernarvonshire, Wales
- Child: Susanna Verch Gruffydd of GWYNEDD Birth: Abt 1095, Caernarvonshire, Wales
- Child: Cadwallon Ap GRUFFYDD Birth: 1097, Walesey, Caernarvonshire, Wales
- Child: Membry 'Ddu' Ap Gruffydd of GWYNEDD Birth: Abt 1114, Caernarvonshire, Wales
- Child: Rhael Verch Gruffydd of GWYNEDD Birth: Abt 1116, Caernarvonshire, Wales
- Child: Annes Verch Gruffydd of GWYNEDD Birth: Abt 1118, Caernarvonshire, Wales
- Child: Margred Verch Gruffydd of GWYNEDD Birth: Abt 1120, Caernarvonshire, Wales
- Child: Tudwal Ap Gruffydd of GWYNEDD Birth: Abt 1122, Caernarvonshire, Wales
- Child: Gwladys Verch Gruffydd of GWYNEDD Birth: 1124, Caernarvon, Gwynedd, Wales
Ancestors of Gruffydd Ap Cynan Ap Iago King of GWYNEDD
/-Idwal Ap MEURIG
/-Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
| \-UNK Mrs. Idwal Ap MEURIG
/-Cynan Ap Iago of GWYNEDD
| | /-Gwair Ap PILL
| \-Afandreg Verch GWAIR
| \-UNK Mrs. Gwair Ap PILL
Gruffydd Ap Cynan Ap Iago King of GWYNEDD
| /-Sihtric 'Silkbeard' Olafsson King of DUBLIN
| /-Olaf Sihtricson King of DUBLIN
| | \-Slani ingen Briain O'BRIEN
\-Rhanult Or Ragnhildir of Dublin ingen OLAF
| /-Dunlaing macTuathal O'Muiredaig King of LEINSTER
\-Maelcorcre ingen Dunlaing O'Muiredaig LEINSTER
\-UNK Mrs. Dunlaing of LEINSTER
Descendants of Gruffydd Ap Cynan Ap Iago King of GWYNEDD
1 Gruffydd Ap Cynan Ap Iago King of GWYNEDD
=Angharad Verch OWAIN Marriage: Abt 1082
2 Rhanullt Verch Gruffydd of GWYNEDD
2 Gwenllian I Verch Gruffydd of GWYNEDD
=Gruffudd Ap Rhys of WALES
3 Morgan Ap GRUFFYDD
3 Maelgwn Ap GRUFFYDD
3 Anarawd Ap GRUFFYDD
3 Cadell Ap GRUFFYDD
3 Owain Ap GRUFFYDD
3 Rhys 'Fychan' Ap GRUFFYDD
=Gwenllian Verch MADOG
=Ystedur Verch CARADOG
3 Maredudd Ap GRUFFYDD
3 Nest Verch GRUFFYDD
3 Gwladus Verch GRUFFYDD
3 UNK Son Ap GRUFFYDD
2 Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
=Gwladus Verch LLYWARCH
3 Ievan Ap Owain of GWYNEDD
=(Unknown)
3 Gwenllian I (II) Owain GWYNEDD
3 Gwenllian Verch OWAIN
3 Maelgwn Ap Owain King of GWYNEDD
3 Iowerth "Drwyndwn" Ap Owain of GWYNEDD
=Margred Or Marared Verch MADOG Marriage: Abt 1163
=Marared Verch MEREDYDD
3 Rhirid Ap Owain of GWYNEDD
3 Dafydd Ap Owain Gruffydd King of GWYNEDD
3 Rhodri Ap Owain Gwynedd King of GWYNEDD
3 Cynan Ap Owain GWYNEDD
=(Unknown)
3 Madog Ap Owain GWYNEDD
3 Cadell Ap Owain GWYNEDD
3 Einion Ap Owain GWYNEDD
3 Cynwrig I Ap Owain GWYNEDD
3 Cynwrig Ii Ap OWAIN
3 Rhun Ap Owain GWYNEDD
3 Hywel Ap Owain Gwynedd King of GWYNEDD
3 Angharad Verch Owain GWYNEDD
3 Iefan Ap Owain GWYNEDD
3 Iago Ap Owain GWYNEDD
3 Ffilip Ap Owain GWYNEDD
3 Rotpert Ap Owain GWYNEDD
3 Idwal Ap Owain GWYNEDD
3 Margaret Verch Owain GWYNEDD
=Bradwen Ap Idnerth of BRYNFFENIGL
=Afandreg Verch GWRGI Marriage: 1133, Caernarvon, Gwynedd, Wales
3 Einion Ap OWAIN
=Gwenllian Verch EDNYWAIN Marriage: 1144, Caernarvonshire, Wales
3 Gwenllian Verch OWAIN
3 Maelgwn Ap Owain King of GWYNEDD
3 Rhirid Ap Owain of GWYNEDD
3 Rhodri Ap Owain Gwynedd King of GWYNEDD
3 Cadwallon Ap Owain of GWYNEDD
3 Cynan Ap Owain of GWYNEDD
3 Cadell Ap Owain of GWYNEDD
3 Einion Ap Owain of GWYNEDD
3 Cynwrig I Ap Owain of GWYNEDD
3 Iorwerth Ap Owain of GWYNEDD
=Morfudd Verch MERWYDD Marriage: 1144, Caernarvonshire, Wales
=Angharad Verch PEREDUR Marriage: 1144, Caernarvonshire, Wales
=Ffynnod WYDDELES Marriage: 1144, Caernarvonshire, Wales
=Cristina Or Christina Verch GRONWY Marriage: 1155, Great Britian, Caernarvonshire, Wales
3 Dafydd Ap Owain Gruffydd King of GWYNEDD
=Cristin Verch WALES
=Christina Fil GRONO
2 Elen Verch Gruffydd of GWYNEDD
2 Merinedd Verch Gruffydd of GWYNEDD
2 Susanna Verch Gruffydd of GWYNEDD
=Madog Ap Maredydd Prince of Powys of GWYNEDD
3 Gruffydd 'Maelor' Ap MADOG
=(Unknown)
=Angharad Verch OWAIN
3 Llewelyn Ap MADOG
3 Owain 'Fychan' Ap MADOG
3 Elise Ap MADOG
3 Margred Or Marared Verch MADOG
=Iowerth "Drwyndwn" Ap Owain of GWYNEDD Marriage: Abt 1163
3 Gwenllian Verch MADOG
=Rhys 'Fychan' Ap GRUFFYDD
3 Efa Verch MADOG
3 Iorwerth Ap MADOG
3 Owin Ap MADOG
3 UNK Daughter Verch MADOG
2 Cadwallon Ap GRUFFYDD
2 Membry 'Ddu' Ap Gruffydd of GWYNEDD
2 Rhael Verch Gruffydd of GWYNEDD
2 Annes Verch Gruffydd of GWYNEDD
2 Margred Verch Gruffydd of GWYNEDD
2 Tudwal Ap Gruffydd of GWYNEDD
2 Gwladys Verch Gruffydd of GWYNEDD
Ancestors of Gruffydd Ap Llywelyn Fawr of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
/-Iowerth "Drwyndwn" Ap Owain of GWYNEDD
| \-Gwladus Verch LLYWARCH
/-Llewelyn Ap Iorwerth of GWYNEDD
| \-Marared Verch MEREDYDD
Gruffydd Ap Llywelyn Fawr of GWYNEDD
\-Tangwystyl GOCH
Descendants of Gruffydd Ap Llywelyn Fawr of GWYNEDD
1 Gruffydd Ap Llywelyn Fawr of GWYNEDD
=Senena Verch CARADOG
2 Dafydd Ap Gruffydd of GWYNEDD
2 Llywelyn Ap Gruffydd of GWYNEDD
=Eleanor DE MONTFORT
3 Howel Gymen Ap Llewelyn of GWYNEDD
=Gwenhwyfar Verch IEUAN
=(Unknown)
=Ragnhild of MAN
Ancestors of Gruffydd ap Llywelyn King of GWYNEDD
/- EDNOWAIN
/-Seisyll Ap EDNYWAIN
| \-UNK Mrs. EDNOWAIN
/-Llywelyn Ap Seisyll King of GWYNEDD
| | /-Elise Ap ANARAWD
| \-Prawst Verch ELISE
| \-UNK Mrs. Elise Ap ANARAWD
Gruffydd ap Llywelyn King of GWYNEDD
| /-Owain Ap HYWEL
| /-Maredydd Ap Owain King of Deheubarth & GWYNEDD
| | \-Angharad Verch LLYWELYN
\-Angharad Verch MAREDUDD
\-UNK 2nd Mrs. Maredydd Ap OWAIN
Descendants of Gruffydd ap Llywelyn King of GWYNEDD
1 Gruffydd ap Llywelyn King of GWYNEDD
=Ealdgyth of MERCIA
2 Maredudd Ap GRUFFYDD
2 Ithell Ap GRUFFYDD
2 Nesta Verch Gruffyd GWYNEDD
2 Guenta ap GRIFFITH
=Ealdgyth Queen of ENGLAND Marriage: Abt 1058
2 Maredudd Ap GRUFFYDD
2 Idwal Ap GRUFFYDD
2 Nest Verch GRUFFYDD
=Trahaearn Ap Caradog King of GWYNEDD
3 Llywarch Ap TRAHAEARN
=Dyddgu Verch IORWERTH
=Angharad Verch OWAIN
3 Meurig Ap TRAHAEARN
3 Griffri Ap TRAHAEARN
3 Owain Ap TRAHAEARN
3 Ednowain Ap TRAHAEARN
3 Ieuan Ap TRAHAEARN
3 Madog Ap TRAHAEARN
=Osbern FITZRICHARD
3 Nest Verch OSBORN
=Bernard DE NEUFMARCHE
Ancestors of Gwenillian of GWYNEDD
/-Gruffudd Ap Cynan Ap Owain King of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
/-Ievan Ap Owain of GWYNEDD
| | /-Llywarch Ap TRAHAEARN
| \-Gwladus Verch LLYWARCH
| \-Dyddgu Verch IORWERTH
Gwenillian of GWYNEDD
Descendants of Gwenillian of GWYNEDD
1 Gwenillian of GWYNEDD
=Hwfa Ap Kendrig Ap Rhywalon Lord of CHRISTIONYDOL
2 Angharad of CHRISTIONYDOL
=Kendrig ap Iorwerth Lord of BRYNFFENIGL
3 Ednyfed Fychan ap Kendrig Lord of BRYNFFENIGL
=Tangwystyl GOCH
=Gwenillian of South WALES
3 Grono Voel Ap Kendrig of BRYNFFENIGL
3 Einion Ddu Ap Kendrig of BRYNFFENIGL
Ancestors of Gwenllian I (II) Owain GWYNEDD
/-Cynan Ap Owain GWYNEDD
/-Gruffudd Ap Cynan Ap Owain King of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
Gwenllian I (II) Owain GWYNEDD
| /-Trahaearn Ap Caradog King of GWYNEDD
| /-Llywarch Ap TRAHAEARN
| | \-Nest Verch GRUFFYDD
\-Gwladus Verch LLYWARCH
| /-Iorwerth Ap CADWALLON
\-Dyddgu Verch IORWERTH
\-Gwenllian Verch ARON
- Father: Gruffydd Ap Cynan Ap Iago King of GWYNEDD
- Mother: Angharad Verch OWAIN
- Birth: Abt 1085, Caernarvonshire, Wales
- Also known as: Gwenllian II Verch Gruffydd of Gwynedd
- Also known as: Gwenllian Verch Gruffydd
- Alt. Birth: Abt 1090
- Alt. Birth: Abt 1090, Caernarvonshire, Wales
- Death: 1136, Maes Gwenllian, Outside Walls, Kidwelly, Wales
- Partnership with: Gruffudd Ap Rhys of WALES
Marriage: (Date and Place unknown)
- Child: Morgan Ap GRUFFYDD Birth: Abt 1116, Carmarthenshire, Wales
- Child: Maelgwn Ap GRUFFYDD Birth: Abt 1119, Carmarthenshire, Wales
- Child: Anarawd Ap GRUFFYDD Birth: Abt 1121, Carmarthenshire, Wales
- Child: Cadell Ap GRUFFYDD Birth: Abt 1125, Carmarthenshire, Wales
- Child: Owain Ap GRUFFYDD Birth: Abt 1126, Carmarthenshire, Wales
- Child: Rhys 'Fychan' Ap GRUFFYDD Birth: Abt 1127, Elfaeluwchmynydd, Radnorshire, Wales
- Child: Maredudd Ap GRUFFYDD Birth: Abt 1128, Carmarthenshire, Wales
- Child: Nest Verch GRUFFYDD Birth: Abt 1130, Carmarthenshire, Wales
- Child: Gwladus Verch GRUFFYDD Birth: Abt 1130, Carmarthenshire, Wales
- Child: UNK Son Ap GRUFFYDD Birth: Abt 1134, Carmarthenshire, Wales
Ancestors of Gwenllian I Verch Gruffydd of GWYNEDD
/-Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
/-Cynan Ap Iago of GWYNEDD
| \-Afandreg Verch GWAIR
/-Gruffydd Ap Cynan Ap Iago King of GWYNEDD
| | /-Olaf Sihtricson King of DUBLIN
| \-Rhanult Or Ragnhildir of Dublin ingen OLAF
| \-Maelcorcre ingen Dunlaing O'Muiredaig LEINSTER
Gwenllian I Verch Gruffydd of GWYNEDD
| /-Edwin Ap Gronwy Eadnoth Earl of MERCIA
| /-Owain Ap Edwin of MERCIA
| | \-Everydd of POWYS
\-Angharad Verch OWAIN
| /-Ednywain 'Bendew' I Ap NEINIAD
\-Morwyl Verch EDNYWAIN
\-Gwerful Verch LLUDDICA
Descendants of Gwenllian I Verch Gruffydd of GWYNEDD
1 Gwenllian I Verch Gruffydd of GWYNEDD
=Gruffudd Ap Rhys of WALES
2 Morgan Ap GRUFFYDD
2 Maelgwn Ap GRUFFYDD
2 Anarawd Ap GRUFFYDD
2 Cadell Ap GRUFFYDD
2 Owain Ap GRUFFYDD
2 Rhys 'Fychan' Ap GRUFFYDD
=Gwenllian Verch MADOG
3 Catrin Ferch RHYS
3 Gruffudd Ap Rhys Prince of South WALES
=Matilda de BRAOSE
=Maud DE FAY
=Susan de BRAOSE
3 Ankaret Verch RHYS
3 Rhys Ap RHYS
3 Margred Verch RHYS
3 Annest Verch RHYS
3 Gwenlliam Verch RHYS
3 Elinor Verch RHYS
3 Maelgwn Ap RHYS
3 Meredydd Gethen ARGINYDD
3 Angharad Verch RHYS
3 Margaret Verch Ap GRUFFYDD
=Ystedur Verch CARADOG
3 Hywel 'Said' Ap RHYS
=(Unknown)
2 Maredudd Ap GRUFFYDD
2 Nest Verch GRUFFYDD
2 Gwladus Verch GRUFFYDD
2 UNK Son Ap GRUFFYDD
Ancestors of Gwladys Verch Gruffydd of GWYNEDD
/-Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
/-Cynan Ap Iago of GWYNEDD
| \-Afandreg Verch GWAIR
/-Gruffydd Ap Cynan Ap Iago King of GWYNEDD
| | /-Olaf Sihtricson King of DUBLIN
| \-Rhanult Or Ragnhildir of Dublin ingen OLAF
| \-Maelcorcre ingen Dunlaing O'Muiredaig LEINSTER
Gwladys Verch Gruffydd of GWYNEDD
| /-Edwin Ap Gronwy Eadnoth Earl of MERCIA
| /-Owain Ap Edwin of MERCIA
| | \-Everydd of POWYS
\-Angharad Verch OWAIN
| /-Ednywain 'Bendew' I Ap NEINIAD
\-Morwyl Verch EDNYWAIN
\-Gwerful Verch LLUDDICA
Descendants of Gwriad 'Of Man' King of GWYNEDD
1 Gwriad 'Of Man' King of GWYNEDD
=Ethil Queen of GWYNEDD
2 Merfyn 'The Freckled' King of GWYNEDD
=Esylit Verch CYNAN
3 Rhodri 'Mawr' 'The Great' Ap Merfyn King of GWYNEDD
=Angharad Verch MEURIG
=Nesta Queen of POWYS
3 Rhodri 'Mawr' 'The Great' Ap Merfyn King of GWYNEDD
=Angharad Verch MEURIG
3 Hrollaug TURSTAIN
Ancestors of Helen Ap Iowerth of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
/-Iowerth "Drwyndwn" Ap Owain of GWYNEDD
| \-Gwladus Verch LLYWARCH
/-Llewelyn Ap Iorwerth of GWYNEDD
| \-Marared Verch MEREDYDD
Helen Ap Iowerth of GWYNEDD
\-Tangwystyl GOCH
Ancestors of Howel Gymen Ap Llewelyn of GWYNEDD
/-Llewelyn Ap Iorwerth of GWYNEDD
/-Gruffydd Ap Llywelyn Fawr of GWYNEDD
| \-Tangwystyl GOCH
/-Llywelyn Ap Gruffydd of GWYNEDD
| \-Senena Verch CARADOG
Howel Gymen Ap Llewelyn of GWYNEDD
\-Eleanor DE MONTFORT
Descendants of Howel Gymen Ap Llewelyn of GWYNEDD
1 Howel Gymen Ap Llewelyn of GWYNEDD
=Gwenhwyfar Verch IEUAN
2 Madog Ap Howel GYMER
=Gwenllian Verch LLOYD
3 Ithel Vychan Ap MADOG
=(Unknown)
=(Unknown)
2 Margaret Verch HOWEL
- Partnership with: Elen Verch LLYWARCH
Marriage: (Date and Place unknown)
- Child: Gwenllian Verch HYWEL Birth: Abt 917, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Angharad Verch HYWEL Birth: Abt 920, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Cynan Ap Hywel King of GWYNEDD Birth: Abt 925, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Owain Ap HYWEL Birth: 913, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Einion Ap HYWEL Birth: 926, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Maredydd Ap HYWEL Birth: 914, Dynevor Castle, Llandilo, Carmarthenshire, Wales
- Child: Rhodri Ap HYWEL Birth: 916, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Dyfnwal Ap HYWEL Birth: 922, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Edwin Ap HYWEL Birth: 923, Dynevor, Llandyfeisant, Carmarthenshire, Wales
- Child: Rhain Ap HYWEL Birth: 919, Dynevor, Llandyfeisant, Carmarthenshire, Wales
Ancestors of Hywel 'The Good' Ap Cadell King of Deheubarth Dyfed & GWYNEDD
/-Merfyn 'The Freckled' King of GWYNEDD
/-Rhodri 'Mawr' 'The Great' Ap Merfyn King of GWYNEDD
| \-Nesta Queen of POWYS
/-Cadell Ap Rhodri King of SEISYLLWG
| | /-Meurig Ap DYFNWALLON
| \-Angharad Verch MEURIG
| \-UNK Mrs. Meurig Ap DYFNWALLON
Hywel 'The Good' Ap Cadell King of Deheubarth Dyfed & GWYNEDD
\-Rheingar UNK Mrs. Cadell of SEISYLLWG
Descendants of Hywel 'The Good' Ap Cadell King of Deheubarth Dyfed & GWYNEDD
1 Hywel 'The Good' Ap Cadell King of Deheubarth Dyfed & GWYNEDD
=Elen Verch LLYWARCH
2 Gwenllian Verch HYWEL
2 Angharad Verch HYWEL
=Tudur 'Trefor' Ap YNYR
3 Lluddica Ap TUDOR
=Angharad Verch IAGO
3 Gronwy Ap TUDOR
=Tangwystl Verch DYFNWAL
3 Dingad Ap TUDOR
3 Lluddica Ap Tudur TREFOR
=Angharad Verch IAGO Marriage: 969, Llys Y Coed, Cilcain, Flintshire, Wales
2 Cynan Ap Hywel King of GWYNEDD
2 Owain Ap HYWEL
=Angharad Verch LLYWELYN
3 Cadwallon Ap OWAIN
3 Maredydd Ap Owain King of Deheubarth & GWYNEDD
=UNK 1st Mrs. Maredydd Ap OWAIN
=UNK 2nd Mrs. Maredydd Ap OWAIN
3 Llywarch Ap OWAIN
3 Iestyn Ap OWAIN
3 Einion Ap Owain of WALES
=Nest OWAIN
=UNK Mrs Einion Ap HYWEL
2 Einion Ap HYWEL
2 Maredydd Ap HYWEL
2 Rhodri Ap HYWEL
2 Dyfnwal Ap HYWEL
2 Edwin Ap HYWEL
2 Rhain Ap HYWEL
Ancestors of Hywel Ap Gruffudd Ap Cynan Ap Owain GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
/-Cynan Ap Owain GWYNEDD
| \-Gwladus Verch LLYWARCH
/-Gruffudd Ap Cynan Ap Owain King of GWYNEDD
Hywel Ap Gruffudd Ap Cynan Ap Owain GWYNEDD
Ancestors of Hywel Ap Maredydd of GWYNEDD
/-Cynfyn Ap GWERYSTAN
/-Bleddyn Ap Cynfyn King of GWYNEDD
| \-Angharad Verch MAREDUDD
/-Maredydd Ap Bleddyn of GWYNEDD
| | /-Cillin Ap Blaidd of WALES
| \-Haer Verch Cillin of WALES
| \-UNK Mrs. Cillin Ap Blaidd of WALES
Hywel Ap Maredydd of GWYNEDD
| /-Morien Ap MORGENEU
| /-Einudd Ap MORIEN
| | \-Gwenllian Verch RHYS
\-Hunydd Verch EINUDD
| /-Llewelyn Ap DOLFFYN
\-Efa Verch LLYWELYN
Ancestors of Hywel Ap Owain Gwynedd King of GWYNEDD
/-Cynan Ap Owain GWYNEDD
/-Gruffudd Ap Cynan Ap Owain King of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
Hywel Ap Owain Gwynedd King of GWYNEDD
| /-Trahaearn Ap Caradog King of GWYNEDD
| /-Llywarch Ap TRAHAEARN
| | \-Nest Verch GRUFFYDD
\-Gwladus Verch LLYWARCH
| /-Iorwerth Ap CADWALLON
\-Dyddgu Verch IORWERTH
\-Gwenllian Verch ARON
Ancestors of Hywel Foel 'The Bald' Ap Ieuaf King of GWYNEDD
/-Anarawd Ap Rhodri King of Deheubarth & GWYNEDD
/-Idwal 'The Bald' Ap Anarawd King of GWYNEDD
| \-UNK Mrs. Anarawd Ap RHODRI
/-Ieuaf Ap Idwal Foel King of GWYNEDD
| \-Mereddon Verch CADWR
Hywel Foel 'The Bald' Ap Ieuaf King of GWYNEDD
- Partnership with: (Unknown)
Ancestors of Iago Ap Beli King of GWYNEDD
/-Maelgwn Hir 'Gwynedd' Ap Cadwallon King of GWYNEDD
/-Rhun 'Hir' 'The Tall' Ap Maelgwn King of GWYNEDD
| \-Gwallwen Verch AFALLACH
/-Beli Ap Rhun King of GWYNEDD
| \-Perwyr Verch RHUN
Iago Ap Beli King of GWYNEDD
Descendants of Iago Ap Beli King of GWYNEDD
1 Iago Ap Beli King of GWYNEDD
=(Unknown)
2 Cadfan Ap Iago High King of GWYNEDD
=Tandreg 'Ddu' Verch CYNAN
3 Efeilian Verch Cadfan of GWYNEDD
3 UNK Daughter Verch Cadfan of GWYNEDD
3 Cadwallon Ap Cadfan High King of GWYNEDD
=UNK Daughter of MERCIA
- Father: Idwal Ap MEURIG
- Mother: UNK Mrs. Idwal Ap MEURIG
- Birth: Abt 974, Aberffraw Castle, Caernarvonshire, Wales
- Also known as: Iago Ap Idwal Prince of Gwynedd
- Alt. Death: 1039
- Death: 1039, Abberffraw Castle, Anglesey, Wales
Ancestors of Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
/-Idwal 'The Bald' Ap Anarawd King of GWYNEDD
/-Meurig Ap IDWAL
| \-Mereddon Verch CADWR
/-Idwal Ap MEURIG
| \-UNK Mrs. Meurig Ap IDWAL
Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
\-UNK Mrs. Idwal Ap MEURIG
Descendants of Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
1 Iago Ap Idwal Ap Meurig Foel King of GWYNEDD
=Afandreg Verch GWAIR
2 Cynan Ap Iago of GWYNEDD
=Rhanult Or Ragnhildir of Dublin ingen OLAF
3 Gruffydd Ap Cynan Ap Iago King of GWYNEDD
=Angharad Verch OWAIN Marriage: Abt 1082
2 Tangwystl Verch IAGO
2 Crisli Verch IAGO
Ancestors of Iago Ap Idwal Ap Meurig King of GWYNEDD
/-Idwal 'The Bald' Ap Anarawd King of GWYNEDD
/-Iago Ap Idwal Foel King of GWYNEDD
| \-Mereddon Verch CADWR
/-Owain Ap IAGO
| \-UNK Mrs. Iago Ap IDWAL
Iago Ap Idwal Ap Meurig King of GWYNEDD
- Father: Idwal 'The Bald' Ap Anarawd King of GWYNEDD
- Mother: Mereddon Verch CADWR
- Birth: Abt 908, Gwynedd, Wales
- Alt. Birth: Abt 908
- Fact: Driven out by Hywel Dda with brother Ieuaf, Bet 942 and 950, Gwynedd, Wales
- Fact: Captured and imprisoned brother Ieuaf, 969, Gwynedd, Wales
- Fact: Defeated by nephew, Hywel, son of Ieuaf, 974, Gwynedd, Wales
- Fact: Defeated by nephew, Hywel, son of Ieuaf a second time, 979, Gwynedd, Wales
- Death: Aft 979
Ancestors of Iago Ap Idwal Foel King of GWYNEDD
/-Rhodri 'Mawr' 'The Great' Ap Merfyn King of GWYNEDD
/-Anarawd Ap Rhodri King of Deheubarth & GWYNEDD
| \-Angharad Verch MEURIG
/-Idwal 'The Bald' Ap Anarawd King of GWYNEDD
| \-UNK Mrs. Anarawd Ap RHODRI
Iago Ap Idwal Foel King of GWYNEDD
\-Mereddon Verch CADWR
Descendants of Iago Ap Idwal Foel King of GWYNEDD
1 Iago Ap Idwal Foel King of GWYNEDD
=UNK Mrs. Iago Ap IDWAL
2 Angharad Verch IAGO
=Lluddica Ap TUDOR
3 Gwerful Verch LLUDDICA
=Ednywain 'Bendew' I Ap NEINIAD
3 Llywarch 'Gam' Ap LLUDDICA
2 Custennin "Ddu" Ap IAGO
2 Owain Ap IAGO
=(Unknown)
3 Iago Ap Idwal Ap Meurig King of GWYNEDD
Ancestors of Iago Ap Owain GWYNEDD
/-Cynan Ap Owain GWYNEDD
/-Gruffudd Ap Cynan Ap Owain King of GWYNEDD
/-Owain "Gwynedd" Ap Gruffydd Prince of Gwynedd of GWYNEDD
Iago Ap Owain GWYNEDD
| /-Trahaearn Ap Caradog King of GWYNEDD
| /-Llywarch Ap TRAHAEARN
| | \-Nest Verch GRUFFYDD
\-Gwladus Verch LLYWARCH
| /-Iorwerth Ap CADWALLON
\-Dyddgu Verch IORWERTH
\-Gwenllian Verch ARON