Iorwerth Drwyndwn ap Owain

Family/Spouse: Margaret verch Madog. Margaret (daughter of Madog ap Maredydd and Susannah verch Gruffydd) was born about 1129 in Overton-Madog, Flintshire, Wales. [Group Sheet] [Family Chart]

1. Llywelyn Fawr ap Iowerth, Prince of Wales was born in 1173 in Dolyddelan, Wales; died on 11 Apr 1240 in Caernarvonshire, Wales.