Nielsen Hayden genealogy
Efa ferch Bleddyn ap Cynfyn
Generation: 1
Generation: 3
Generation: 4
Generation: 5
Generation: 6
1. Efa ferch Bleddyn ap Cynfyn (daughter of Bleddyn ap Cynfyn, King of Gwynedd & Powys and (Unknown wife of Bleddyn ap Cynfyn)). Family/Spouse: Llywelyn Eurdorchog ap Coel ap Gweirydd. Llywelyn was born about 1030. [Group Sheet] [Family Chart]
Children:
2. Bleddyn ap Cynfyn, King of Gwynedd & Powys (son of Cynfyn ap Gwerystan and Angharad ferch Maredudd); died in 1075. Bleddyn married (Unknown wife of Bleddyn ap Cynfyn). [Group Sheet] [Family Chart]
3. (Unknown wife of Bleddyn ap Cynfyn) Children:
Generation: 3
4. Cynfyn ap Gwerystan was born about 1000 (son of Gwerystan). Cynfyn married Angharad ferch Maredudd. [Group Sheet] [Family Chart]
5. Angharad ferch Maredudd (daughter of Maredudd ap Owain). Children:
- 2. Bleddyn ap Cynfyn, King of Gwynedd & Powys died in 1075.
- Rhiwallon ap Cynfyn was born about 1020; died about 1069.
Generation: 4
8. Gwerystan was born about 955. Children:
- Elinor ferch Gwerystan was born in of Powys, Wales.
- Lleuci ferch Gwerystan was born about 980.
- 4. Cynfyn ap Gwerystan was born about 1000.
10. Maredudd ap Owain (son of Owain ap Hywel Dda, King of Deheubarth); died in 999. Children:
Generation: 5
20. Owain ap Hywel Dda, King of Deheubarth (son of Hywell Dda ap Cadell, King of South Wales and Elen ferch Llywarch); died in 988. Children:
- Einion ab Owain ap Hywel Dda ap Cadell died about 984.
- 10. Maredudd ap Owain died in 999.
Generation: 6
40. Hywell Dda ap Cadell, King of South Wales was born about 875 (son of Cadell ap Rhodri, King of South Wales); died in 950. Hywell married Elen ferch Llywarch. Elen (daughter of Llywarch ap Hyfaidd) died in 929. [Group Sheet] [Family Chart]
41. Elen ferch Llywarch (daughter of Llywarch ap Hyfaidd); died in 929. Children:
- 20. Owain ap Hywel Dda, King of Deheubarth died in 988.
- Angharad ferch Hywel Dda was born in 915.