Gronwy ab Ednyfed Fychan of Tref Castell

Parents

• Morfudd ferch Meurig
• Goronwy ab Ednyfed Fychan

Children

Siblings

• Alice ferch Gronwy ab Ednyfed Fychan
• Gwilym ap Gronwy ab Ednyfed Fychan ap Cynwrig
• Tudur Hen