Gwladus ferch Gruffudd ap Llywelyn - 1261 (b. 1219) Parents Rhanullt ferch Rheinallt Gruffudd ap Llywelyn ab Iorwerth Children Margaret ferch Rhys Ieunac Margred (2) ferch Rhys Ieuanc ap Rhys Mechyll ap Rhys Gryg Ithel Fychan, lord of Mostyn NN ferch Rhys Ieuanc ap Rhys Mechyll Siblings Catrin ferch Gruffudd Dafydd ap Gruffudd Margaret ferch Gruffudd ap Llywelyn Fawr Owain Goch ap Gruffydd Rhodri ap Gruffudd Llywelyn ap Gruffudd