Nielsen Hayden genealogy
Ancestors of Owain Gwynedd, King of Gwynedd
- 1169 ┌── Meuric ab Idwal Voel ( - 986) =>
┌── Idwal ap Meuric, King of Gwynedd ( - Abt 997)
┌── Iago ab Idwal, King of Gwynedd ( - 1039)
┌── Cynan ab Iago
┌── Gruffydd ap Cynan ab Iago, King of Gwynedd (Abt 1055 - 1137)(m. Abt 1095)
│ │ ┌── Amlaíb Cuaran, King of Dublin & York ( - 981) =>
│ │ ┌── Sitric mac Amlab, King of Dublin ( - 1042)
│ │ │ └── Gormlaith ingen Murchada ( - 1030) =>
│ │ │
│ │ ┌── Amlaíb mac Sitric ( - 1034)
│ │ │ │
│ │ │ │ ┌── Brian Boru, King of Munster and Ireland ( - 23 Apr 1014 Clontarf, Dublin, Ireland) =>
│ │ │ └── Slani ingen Briain
│ │ │ └── (Unknown wife of Brian Boru)
│ │ │
│ └── Radnailt of Dublin
│ │
│ │ ┌── Tuathal mac Augaire, King of Leinster ( - 958) =>
│ │ ┌── Dunlaing Mac Tuathail, King of Leinster ( - Apr 1014 Clontarf, Dublin, Ireland)
│
Owain Gwynedd, King of Gwynedd ( - 1169 bur.Bangor Cathedral, Bangor, Gwynedd, Wales)
│
│ ┌── Edwin of Tegeingl ( - 1073)
│ ┌── Owain ab Edwin ( - 1104)
│ │ │
│ │ │ ┌── Gwerystan (Abt 955 - ??)
│ │ │ ┌── Cynfyn ap Gwerystan (Abt 1000 - ??)
│ │ └── Iwerydd ferch Cynfyn
│ │
└── Angharad ferch Owain ( - 1162)(m. Abt 1095)