Nielsen Hayden genealogy
Ancestors of Madog ap Gruffudd ab Owain Brogyntyn ap Madog
Abt 1200 - ┌── Madog ap Maredudd, Prince of Powys Fadog ( - 1160 Winchester, Hampshire, England) =>
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Madog ap Gruffudd ab Owain Brogyntyn ap Madog (Abt 1200 - ??)
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│ ┌── William Say
└── Jonet Say