Catrin ferch Gruffudd Peerage person ID=654251 (1217–1261) Parents Gruffudd ap Llywelyn ab Iorwerth Rhanullt ferch Rheinallt Children Angharad ferch Maredudd ap Madog ap Hywel Siblings Dafydd ap Gruffudd Margaret ferch Gruffudd ap Llywelyn Fawr Gwladus ferch Gruffudd ap Llywelyn Owain Goch ap Gruffydd Rhodri ap Gruffudd Llywelyn ap Gruffudd