Gwilym ap Gronwy ab Ednyfed Fychan ap Cynwrig

Parents

• Goronwy ab Ednyfed Fychan
• Morfudd ferch Meurig

Children

Siblings

• Alice ferch Gronwy ab Ednyfed Fychan
• Gronwy ab Ednyfed Fychan of Tref Castell
• Tudur Hen