Rhys Fychan ap Rhys Mechyll ap Rhys Grûg ap Lord Rhys of Dinefwr, aka Rhys Ieuanc

- 17 Aug 1271 Dinefwr

Parents

• Rhys Mechyll
• Matilda de Braose

Children

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

Siblings

• Rhys Fychan
• Gwenthlian Mechyll