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Female Margary De Vernon Click to view Margary De Vernon in the family tree

Margary De was born about 1194.  Margary De's father was William De Vernon 5th Earl Of Devon and her mother was Mabel (Maud) De Beaumont [Countess Of Dev.  Her paternal grandparents were Baldwin de Reviers , 1st Earl of Devon and Adelise Lucia de Baalun; her maternal grandparents were Robert De Beaumont Count Of Meulan and Maud Fitzroy of Cornwall Dunstanville. She had a brother and two sisters, named Baldwin De, Mary De Reviers De and Joan De.  She was the second oldest of the four children.

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