Avandreg Mawr
888 - Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. Avandreg Mawr was born in 888 (daughter of King of Powys Merfyn Ap Rhodri Mawr); and died. Avandreg married Idwal Foel Ap Anarawd Mawr in 915. Idwal (son of Prince of Gwynedd Anarawd Ap Rhodri Mawr) was born in 883 in Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom; died in 942. [Group Sheet] [Family Chart]
Children:- Meurig Ap Idwal Foel Mawr was born in 917; died in 986.
2. King of Powys Merfyn Ap Rhodri Mawr was born in 859 (son of Prince of Wales Rhodri Mawr and Angharad Sitsllt); died in 900. Children:
- Llewelyn Ap Maervyn Mawr
- 1. Avandreg Mawr was born in 888; and died.
Generation: 3
4. Prince of Wales Rhodri Mawr was born in 820 in Caer Seiont, Caernarfon, Caernarvon, Wales, United Kingdom (son of King of Gwynedd Merfyn Mawr and Nest, of Powys); died in 878 in , Anglesey, Wales, United Kingdom. Rhodri married Angharad Sitsllt. [Group Sheet] [Family Chart]
5. Angharad Sitsllt (daughter of Lord of Caerdingan Meuric ap Dyfnwal ap Asthin Sitsllt). Children:
- King of South Wales Cadell Ap Rhodri Mawr died in 909.
- Prince of Gwynedd Anarawd Ap Rhodri Mawr was born in 857; died in 916.
- 2. King of Powys Merfyn Ap Rhodri Mawr was born in 859; died in 900.
Generation: 4
8. King of Gwynedd Merfyn Mawr was born in 775 in , , Wales, United Kingdom (son of King of Gwynedd Gwriad Mawr and Ethil, of Gwynedd); died in 844. Merfyn married Nest, of Powys. Nest (daughter of King of Powys Cadell Ap Breochwel) was born in 790; and died. [Group Sheet] [Family Chart]
9. Nest, of Powys was born in 790 (daughter of King of Powys Cadell Ap Breochwel); and died. Children:
- 4. Prince of Wales Rhodri Mawr was born in 820 in Caer Seiont, Caernarfon, Caernarvon, Wales, United Kingdom; died in 878 in , Anglesey, Wales, United Kingdom.
10. Lord of Caerdingan Meuric ap Dyfnwal ap Asthin Sitsllt Children: