Margaret ferch Rhys Ieunac

Parents

• Rhys Fychan ap Rhys Mechyll ap Rhys Grûg ap Lord Rhys of Dinefwr, aka Rhys Ieuanc
• Gwladus ferch Gruffudd ap Llywelyn

Children

• Madog Fychan
• Madog Crypl

Siblings

• NN ferch Rhys Ieuanc ap Rhys Mechyll
• Ithel Fychan, lord of Mostyn
• Margred (2) ferch Rhys Ieuanc ap Rhys Mechyll ap Rhys Gryg