Ancestry of
Griffith ap Heilyn
(–c1340)
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1st Generation
1. Griffith ap Heilyn (–c1340)
2nd Generation
3rd Generation
4th Generation
8. Ednyfed Fychan (–1246)
12. Owen Brogentyn
5th Generation
16. Cynwrig -----
6th Generation
7th Generation
96. Bleddyn -----