Seisyll Ap Dyfnwal & Dyddgu Verch Owain 
They had a daughter named Gwladus Verch.
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Personal Details
Seisyll Ap Dyfnwal
Seisyll Ap was born in 1106 in Abergavenny, Monmouthshire, England. He died at the age of 71 on December 25th, 1177 in Abergavenny Castle, Monmouthshire, England.
Dyddgu Verch Owain
Dyddgu Verch was born in 1113 in Abergavenny, Monmouthshire, England. Dyddgu Verch is no longer alive.
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