Gruffydd Farwn Gwyn Ap Gruffydd & Margred Verch Griffri 
They had a son named Madog Crupl Ap.
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Personal Details
Gruffydd Farwn Gwyn Ap Gruffydd
Gruffydd Farwn Gwyn Ap was born about 1235 in Glyndfrdwy, Powys Fadog, Wales.
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