*Rhodri "Mawr" ap Merfyn "Roderick the Great"
born 0789, 0809 or 0822 Caer Seiont, Carnarvonshire, Wales
died 0878 (in battle) Anglesey, Wales

father:
*Merfyn "Frych" ap Gwriad
born about 0764 Wales
died 0843 Battle of Cyfeiliog, Ketell, Wales

mother:
*Esyllt verch Cynan Queen of Wales
born about 0770 Caer Seiont, Carnarvonshire, Wales

siblings:
unknown

spouse:
*Angharad verch Meurig Queen of South Wales
born about 0825 Ceredigion, Wales

children:
*Cadell Ap Rhodri born about 0861 Deheubarth, Wales died 0910
*Merfyn Ap Rhodri born about 0859 Caer Seiont, Carnarvonshire, Wales died 0900
*Anarawd ap Rhodri born about 0857 Gwynedd, Wales died 0916
*Nest verch Rhodri born about 0870 Wales
*Tudwal "Gloff" ap Rhodri born about 0863 Caer Seiont, Carnarvonshire, Wales
Meurig ap Rhodri born about 0865 Caer Seiont, Carnarvonshire, Wales
Gwriad ap Rhodri born about 0867 Caer Seiont, Carnarvonshire, Wales
Gwyddelig ap Rhodri born about 0869 Caer Seiont, Carnarvonshire, Wales
Angharad verch Rhodri born about 0871 Caer Seiont, Carnarvonshire, Wales
Rhodri "Fychan" ap Rhodri born about 0866 Wales
Miss verch Rhodri born about 0871 Wales
Aeddan ap Rhodri born about 0862 Wales

biographical and/or anecdotal:
*Rhodri Mawr, (Roderick the Great) was born in 844?. Uniting three kingdoms, he became King of all Wales, having inherited North Wales from his father, Powys from his mother, and South Wales from his wife. He was slain in battle in 878, having married Ankaret, Queen of South Wales, thirteenth in descent from Cunedda, No. 1 of his line. The kingdoms he united were at his death divided among their three sons.

notes or source:
LDS