Nielsen Hayden genealogy
Family: Gruffydd ap Cynan ab Iago, King of Gwynedd / Angharad ferch Owain (F5548)
m. Abt 1095Owain ab Edwin ( -1104) 
|
Gronwy ab Owain ab Edwin (1070- )  |
| Gruffydd ap Cynan ab Iago, King of Gwynedd (1055-1137)
|
Angharad ferch Owain ( -1162)
|
| Owain Gwynedd, King of Gwynedd ( -1169) |
| Gwenllian ferch Gruffudd ( -1136) |