John de ST. JOHN 
John de was born in October 1273 in Basing, Northamptonshire, England. He died at the age of 55 on May 14th, 1329.
They had a daughter named Margaret.
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Children
Margaret ST. JOHN
Margaret was born about 1308 in Hatch, Somersetshire, England. She died on November 19th, 1361.