Gruffydd ap Maredudd Lord of Mowddwy & Gwerful verch Gwrgeneu 
Gruffydd ap and Gwerful verch were married. They had three sons named Owain Cyfeiliog ap, Rhirid Foel ap and Cadfan ap.
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Personal Details
Gruffydd ap Maredudd Lord of Mowddwy
Gruffydd ap was born in 1085. He died at the age of 43 in 1128.1
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Children
Owain Cyfeiliog ap Gruffydd Prince of Powys
Owain Cyfeiliog ap was born in 1125 in Powys, Montgomeryshire, Wales. He died at the age of 72 in 1197 in Monastery Of Strata Marcella.1