Male John De Saint John Click to view John De Saint John in the family tree

John De was born in 1253.1   John De is no longer alive.1 

Family Details of John De's family with Alice Fitzpiers

1 3466.ftw
Further sources/citations:
World Family Tree Vol. 2, Ed. 1 @ Tree #3466, 3466.ftw, World Family Tree Vol. 2, Ed. 1 @ Tree #3466