Gwenwynwyn Ap Owain Cyffeiliog
Gwenwynwyn Ap Owain was born about 1167 in Cyfeiliog, Montgomeryshire, Wales.  He died in 1216.

 Margaret Corbet
Margaret was born about 1189 in Caus Castle, Shropshire, England.

 Constance Verch Gwenwynwyn
Constance Verch was born about 1220 in Cyfeiliog, Montgomeryshire, Wales.

 Madog Ap Gwenwynwyn
Madog Ap was born about 1225.

 Gruffydd Ap Gwenwynwyn
Gruffydd Ap was born about 1230 in Cyfeiliog, Montgomeryshire, Wales.