Nielsen Hayden genealogy

Family: Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys / (Unknown daughter of Thomas ap Rhodri) (F15924)

Owain ap Gruffudd ab Yr Arglwydd Rhys ( -1236)

(Unknown daughter of Gwion Sais)

 

 

Thomas ap Rhodri ab Owain Gwynned (1170- )

Margred ferch Einion ap Seisyll

 

 

Maredudd ab Owain ap Gruffudd ab Yr Arglwydd Rhys ( -1265)

(Unknown daughter of Thomas ap Rhodri)

Owain ap Maredudd ab Owain ap Gruffudd ( -1275)