Mary de Vernon, Lady of Okehampton

Mary de Vernon1

F, #9225

Last Edited=24 Oct 2007

    Mary de Vernon is the daughter of William de Reviers, 5th Earl of Devon and Mabile de Beaumont. She married, secondly, Robert de Courtenay, son of Renaud de Courtenay and Hawise de Crucy, Lady of Okehampton.1 She married, firstly, Pierre de Preaux.1

Child of Mary de Vernon and Robert de Courtenay

John de Courtenay+ d. 3 May 12741

Citations

[S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 1, page 1122. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.