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Male Seisyll Ap Dyfnwal Click to view Seisyll Ap Dyfnwal in the family tree

Seisyll Ap was born in 1106 in Abergavenny, Monmouthshire, England.  Seisyll Ap's father was Dyfnwal Ap Caradog and his mother was Joyce deBalladon.  His paternal grandparents were Caradog Ap Ynyr and Nesta Le Goz; his maternal grandfather was Hamelin deBalladon.  He was an only child.  He died at the age of 71 on December 25th, 1177 in Abergavenny Castle, Monmouthshire, England.


Seisyll Ap's first family with Dyddgu Verch Owain

They had a daughter named Gwladus Verch.


Seisyll Ap's second family with Gwladus verch Gruffudd


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