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

John De was born about December 1335.1   He died before June 23rd, 1350 in vp, Sp.1 

Family Details of John De's family with Elizabeth Courtenay

1 phelps1609.FTW
Further source/citation:
World Family Tree Vol. 16, Ed. 1 @ Tree #1609