Ancestry of
William Coetmor
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1st Generation
2nd Generation
3rd Generation
4th Generation
5th Generation
6th Generation
7th Generation
8th Generation
128. Hwfa Gryg ap Hwfa
9th Generation
256. Hwfa ap Sandde
10th Generation
512. Sandde ab Elidir
11th Generation
1024. Elidir ap Rhys Sais
1025. Nest ferch Lles
12th Generation
2048. Rhys Sais ab Ednyfed
2049. Efa ferch Gruffud Hir
13th Generation
4096. Ednyfed ap Llywarch Gam
4097. Sionet of Powys
14th Generation
8194. Rhywallon, Prince of Powys (–c1070)
15th Generation
16388. Cynfyn, Prince of Powys
16389. Angharad II, Queen of Powys