Nielsen Hayden genealogy
Efa ferch Llywelyn ap Gruffudd
( = Descendancy chart to this point, = Expand, = Collapse)
- 1 Efa ferch Llywelyn ap Gruffudd [1]
- Madog ab Iorwerth ap Madog ap Gruffudd
- 2 Gwerfyl ferch Madog [1.1] d. Aft 1293
- Gronwy ap Tydyr HĂȘn ap Gronwy d. 1331
- 3 Tudur ap Gronwy [1.1.1] d. 1367
- Margred ferch Thomas
- 4 Maredudd ap Tudur [1.1.1.1] d. Aft 1406 [ =>]
- Margred ferch Thomas
- 3 Tudur ap Gronwy [1.1.1] d. 1367
- Gronwy ap Tydyr HĂȘn ap Gronwy d. 1331
- 2 Gwerfyl ferch Madog [1.1] d. Aft 1293
- Madog ab Iorwerth ap Madog ap Gruffudd