Gruffudd Ap HEILIN & Efa Verch GRUFFYDD 
They had a son named Gwilym Ap.
Family Notes
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Personal Details
Gruffudd Ap HEILIN
Gruffudd Ap was born about 1275 in Of Penrhyn, Llandygai, Caernarvonshire, Wales.
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Children
Gwilym Ap GRUFFYDD
Gwilym Ap was born about 1300 in Of Penrhyn, Llandygai, Caernarvonshire, Wales. He died about 1370.