Iorwerth Drwyndwn

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Iorwerth Drwyndwn

Iorwerth's father was Owain I Gwynedd and his mother was Gladys. His paternal grandparents were Griffith ap Cynan and Angharat of Tegaingl; his maternal grandparents were Llywarch ap Trahaearn and Dyddgu. He had a half-brother named Iorworth Drwyndwn. He died about 1174.¹

Ancestor Pedigree Chart
- Iago
  
  Cynan ap Iago
  
  Griffith ap Cynan
  - b.1055 in Dublin, Ireland d.1137
  
  Sihtric ^*
  - d.1042
  
  Olaf
  - d.1034
  
  Slani ^*
  
  Ragnaillt
  
  Dunlang
  - d.1014
  
  Maelcorcre
  
  Owain I Gwynedd
  - b.~  1100 d.1170
  
  Gronwy Ap Einion ^*
  
  Edwin Ap Gronwy
  
  Owain ap Edwin
  - d.1104
  
  Cynfyn Ap Gwerystan ^*
  
  Iwerydd Ferch Cynfyn
  
  Angharat of Tegaingl
  
  Iorwerth Drwyndwn
  - d.~  1174
  
  Trahaearn
  
  Llywarch ap Trahaearn
  
  Gladys
  
  Dyddgu
  
  ^*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)

Details of Iorwerth's family with Marared

¹ charlemegne.FTW
Further source/citation:
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