Nielsen Hayden genealogy
Heilin ap Llywarch ap Gwyn ap Tewdwr Mawr
Abt 1100 -( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Heilin ap Llywarch ap Gwyn ap Tewdwr Mawr [1] b. Abt 1100
-
- 2 Gwion Sais ap Heilin ap Llywarch ap Gwyn [1.1] b. Abt 1170
-
- 3 (Unknown daughter of Gwion Sais) [1.1.1]
- Owain ap Gruffudd ab Yr Arglwydd Rhys d. 18 Jan 1236
- 4 Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys [1.1.1.1] d. Mar 1265 [ =>]
- Owain ap Gruffudd ab Yr Arglwydd Rhys d. 18 Jan 1236
- 3 (Unknown daughter of Gwion Sais) [1.1.1]
-
- 2 Gwion Sais ap Heilin ap Llywarch ap Gwyn [1.1] b. Abt 1170
-