John St. John was born circa 1450 to John St. John (c1426-aft1488) and Alice Bradshaw (c1426-?) and died 1525 of unspecified causes. He married Sybil verch Morgan (-) 1483 JL in Langstone, Glamorgan, Wales, United Kingdom.
|Offspring of John St. John and Sybil verch Morgan (-)|
|John St. John (-1562)||27 August 1562||Margaret Waldegrave (-)|
|Margaret St. John (c1486-)|