Family/Spouse: Gwenllian verch Madog. Gwenllian (daughter of Madog ap Maredydd and Susannah verch Gruffydd) was born about 1131 in Montgomeryshire, Wales. [Group Sheet] [Family Chart]
Gruffydd married Gwenllian II verch Gruffydd. Gwenllian was born about 1090 in Caernarvonshire, Wales. [Group Sheet] [Family Chart]
Rhys married Gwladus verch Rhiwallon. Gwladus (daughter of Rhiwallon ap Cynfyn) was born about 1041 in Powys, Wales. [Group Sheet] [Family Chart]
Tewdwr married Gwenllian. [Group Sheet] [Family Chart]