*Tandreg "Ddu" verch Cynan
born about 0569 Powys, Wales

father:
*Cynan "Garwyn" ap Brochwel
born about 0544 Powys, Wales

mother:
unknown

siblings:
Selyf "Sarffgadau" ap Cynan
*Eilud ap Cynan born about 0590 Wales
Dinogan ap Cynan

spouse:
*Cadfan ap Iago King of Gwynedd
born about 0569 Wales
died 0620
buried Anglesey

children:
*Cadwallon ap Cadfan King of Gwynedd and Prince of North Wales
born about 0591 Wales
Efeilian verch Cadfan born about 0589 Wales
Miss verch Cadfan born about 0593 Wales

biographical and/or anecdotal:

notes or source:
ancestry.com