Prince of Gwynedd Iago Ap Idwal Mawr and Avendreg Ferch Gwair, of Powys Family
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Male
Prince of Gwynedd Iago Ap Idwal Mawr
Birth 974 Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom 
Death 1039 Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom Burial Marriage Father King of North Wales Idwel Fychan Ap Meurig Mawr | F1528 Group Sheet Mother
Female
Avendreg Ferch Gwair, of Powys
Birth 984 Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom Death Yes, date unknown Burial Father Mother
Male
+ Prince Of North Wales Cynan Ap Iago Mawr
Birth 1014 Death 1063 Burial Spouse Ranult, of Dublin | F1526 Marriage