Gronwy ab Ednyfed Fychan of Tref Castell

Parents

• Morfudd ferch Meurig
• Goronwy ab Ednyfed Fychan

Children

Siblings

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