Nielsen Hayden genealogy
Owain ap Hywel Dda, King of Deheubarth
- 988( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Owain ap Hywel Dda, King of Deheubarth [1] d. 988
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- 2 Einion ab Owain ap Hywel Dda ap Cadell [1.1] d. Abt 984
- Elinor ferch Gwerystan
- 3 Cadell ab Einion ab Owain ap Hywel Dda [1.1.1] b. Abt 970
- Elinor ferch Gwerystan
- 4 Tewdwr Mawr ap Cadell ab Einion ab Owain [1.1.1.1] b. Abt 1000 [ =>]
- Elinor ferch Gwerystan
- 3 Cadell ab Einion ab Owain ap Hywel Dda [1.1.1] b. Abt 970
- Elinor ferch Gwerystan
- 2 Maredudd ap Owain [1.2] d. 999
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- 3 Angharad ferch Maredudd [1.2.1]
- Cynfyn ap Gwerystan b. Abt 1000
- 4 Bleddyn ap Cynfyn, King of Gwynedd & Powys [1.2.1.1] d. 1075 [ =>]
- 4 Rhiwallon ap Cynfyn [1.2.1.2] b. Abt 1020 d. Abt 1069 [ =>]
- Llywelyn ap Seisyll, King of Deheubarth b. Abt 980 d. 1023
- 4 Gruffydd ap Llywelyn, King of Wales [1.2.1.3] d. 5 Aug 1064 [ =>]
- Cynfyn ap Gwerystan b. Abt 1000
- 3 Angharad ferch Maredudd [1.2.1]
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- 2 Einion ab Owain ap Hywel Dda ap Cadell [1.1] d. Abt 984
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