Nielsen Hayden genealogy
Susanna ferch Gruffydd ap Cynan
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- 1 Susanna ferch Gruffydd ap Cynan [1]
- Madog ap Maredudd, Prince of Powys Fadog d. 1160
- 2 Gryffydd "Maelor" ap Madog, Prince of Northern Powys [1.1] d. 1191
- Angharad ferch Owain
- 3 Madog ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn [1.1.1] d. 1236
- Gwladus ferch Ithel ap Rhys ab Ifor ap Hywel ap Morgan Fychan ap Morgan Hir
- 4 Gruffudd ap Madoc [1.1.1.1] d. 1269
[ =>]
- 4 Maredudd ap Madog [1.1.1.2]
[ =>]
- 4 Gruffudd ap Madoc [1.1.1.1]
- 3 Madog ap Gruffudd Maelor ap Madog ap Maredudd ap Bleddyn [1.1.1]
- 2 Gryffydd "Maelor" ap Madog, Prince of Northern Powys [1.1]