Nielsen Hayden genealogy
Gwenllian ferch Gruffudd

( = Descendancy chart to this point,
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- 1 Gwenllian ferch Gruffudd [1] d. 1136
Gruffydd ap Rhys b. Abt 1090 d. 1137
- 2 Rhys ap Gruffydd, King of Deheubarth [1.1]
b. Abt 1132 d. 24 Apr 1197
Gwenllian ferch Madog d. 1160
- 3 Gwenllian ferch Yr Arglwydd Rhys [1.1.1]
d. 1236
Ednyfed Fychan ap Cynwrig ab Iorwerth ap Gwgon d. 1246
- 4 Gronwy ab Ednyfed Fychan ap Cynwrig ab Iorwerth [1.1.1.1]
d. 1268 [ =>]
- 4 Gwenllian ferch Ednyfed Fychan [1.1.1.2]
[ =>]
- 4 Gruffudd ab Ednyfed Fychan ap Cynwrig ab Iorwerth [1.1.1.3]
d. 1246 [ =>]
- 4 Gronwy ab Ednyfed Fychan ap Cynwrig ab Iorwerth [1.1.1.1]
- 3 Gruffudd ab Yr Arglwydd Rhys [1.1.2]
d. 25 Jul 1201
Matilda de Briouze d. 29 Dec 1210
- 4 Owain ap Gruffudd ab Yr Arglwydd Rhys [1.1.2.1]
d. 18 Jan 1236 [ =>]
- 4 Owain ap Gruffudd ab Yr Arglwydd Rhys [1.1.2.1]
- 3 Gwenllian ferch Yr Arglwydd Rhys [1.1.1]
- 2 Rhys ap Gruffydd, King of Deheubarth [1.1]