Avendreg Ferch Gwair, of Powys
984 - Yes, date unknown(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Avendreg Ferch Gwair, of Powys [1] b. 984 d. Yes, date unknown
- Prince of Gwynedd Iago Ap Idwal Mawr b. 974 d. 1039
- 2 Prince Of North Wales Cynan Ap Iago Mawr [1.1] b. 1014 d. 1063
- Ranult, of Dublin b. 1025 d. Yes, date unknown
- 3 Prince of Gwynedd Gruffydd Ap Cynan Mawr [1.1.1] b. 1055 d. 1137
- Angharad, of Tegaingl b. 1080 d. 1162
- 4 Susanna Mawr [1.1.1.1]
[ =>]
- 4 Prince of Gwynedd Owain Gwynedd Ap Gruffydd Mawr [1.1.1.2] b. 1100 d. 28 Nov 1170
[ =>]
- 4 Susanna Mawr [1.1.1.1]
- 3 Prince of Gwynedd Gruffydd Ap Cynan Mawr [1.1.1]
- 2 Prince Of North Wales Cynan Ap Iago Mawr [1.1]