Oliver St. John
Oliver was born about 1405 in Of Penmark, Gloucestershire.  He died after 1450 in Penmark, Gloucestershire.  He was buried in Rouen, Normand, England..

 Margaret De Beauchamp
Margaret was born about 1409 in Westminster, Middlesex, England.  She died on August 8th, 1482.

 John St. John
John was born about 1430 in Penmark, England.  He died after 1488.