Rhodri ap Gruffudd Prince of the Kingdom of Gwynedd (1230–1315) Parents Senana ferch Caradog Gruffudd ap Llywelyn ab Iorwerth Children Tomas ap Rhodri Siblings Dafydd ap Gruffudd Owain Goch ap Gruffydd Llywelyn ap Gruffudd Margaret ferch Gruffudd ap Llywelyn Fawr Gwladus ferch Gruffudd ap Llywelyn Catrin ferch Gruffudd