John Marvin (Mervyn) - Pedigree | FamilyCentral
 1510 - Aft 14 Oct 1561
 Abt 1480 - Bef 17 Dec 1533
 Abt 1483 - Aft 17 Dec 1533
 Abt 1454 -
 Abt 1458 - Aft 1503
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