Nielsen Hayden genealogy
Iorwerth ap Madog ap Gruffudd ab Owain Brogyntyn
Generation: 1
Generation: 3
Generation: 4
1. Iorwerth ap Madog ap Gruffudd ab Owain Brogyntyn (son of Madog ap Gruffudd ab Owain Brogyntyn ap Madog). Family/Spouse: Lleucu ferch Llywelyn ap Gruffudd. [Group Sheet] [Family Chart]
Children:
2. Madog ap Gruffudd ab Owain Brogyntyn ap Madog was born about 1200 (son of Gruffudd ab Owain Brogyntyn ap Madog ap Maredudd and Jonet Say). Children:
Generation: 3
4. Gruffudd ab Owain Brogyntyn ap Madog ap Maredudd (son of Owain Brogyntyn ap Madog ap Maredudd ap Bleddyn, King of Powys and Margred ferch Einion ap Seissyll). Gruffudd married Jonet Say. [Group Sheet] [Family Chart]
5. Jonet Say (daughter of William Say). Children:
- 2. Madog ap Gruffudd ab Owain Brogyntyn ap Madog was born about 1200.
Generation: 4
9. Margred ferch Einion ap Seissyll Children:
10. William Say Children:
- 5. Jonet Say