Nielsen Hayden genealogy
Madog ab Iorwerth ap Madog ap Gruffudd
![Male](img/tng_male.gif)
( = Descendancy chart to this point,
= Expand,
= Collapse)
- 1 Madog ab Iorwerth ap Madog ap Gruffudd [1]
Efa ferch Llywelyn 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 [ =>]
- 4 Maredudd ap Tudur [1.1.1.1]
- 3 Tudur ap Gronwy [1.1.1]
- 2 Gwerfyl ferch Madog [1.1]