Nielsen Hayden genealogy
Ancestors of Madog ap Gruffudd ab Owain Brogyntyn ap Madog
Abt 1200 - ┌── Bleddyn ap Cynfyn, King of Gwynedd & Powys ( - 1075) =>
┌── Maredudd ap Bleddyn ap Cynfyn (of Powys, Wales - 1132)
│ └── Haer ferch Cillin =>
│
┌── Madog ap Maredudd, Prince of Powys Fadog ( - 1160 Winchester, Hampshire, England)
│ │
│ │ ┌── Einudd ap Morien ap Morgeneu ab Elystan ap Gwaithfoed (Abt 1070 of Dyffryn Clwdd,
│ │ │ Denbighshire, Wales - ??)
│ │ │ Denbighshire, Wales - ??)
│ └── Hunydd ferch Einudd
│
│
│
Madog ap Gruffudd ab Owain Brogyntyn ap Madog (Abt 1200 - ??)
│
│ ┌── William Say
└── Jonet Say