Sir John de St. John was born circa 1225 to Robert de St. John (c1199-c1266) and Agnes de Cantilupe (c1204-) and died 12 September 1302 of unspecified causes. He married Alice FitzPiers (c1228-) . Ancestors are from England, France.


Offspring of John St. John and Alice FitzPiers (c1228-)
Name Birth Death Joined with
Edward St. John (c1259-?)
Amadeus St. John (c1265-?)
John St. John (c1273-1329)
Agnes St. John (c1278-1345) 1278 11 June 1345 Hugh de Courtenay, 1st Earl of Devon (c1276-1340)

Footnotes (including sources)

‡ General
  • Tudor Place



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