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

Mary was born about 1196 in Okehampton, Devonshire, England.  Mary's father was William De Vernon Reviers and her mother was Mabel De Beaumont.  Her paternal grandparents were Baldwin Reviers and Adeliza Baalun; her maternal grandparents were Of Leicester Robert II De Beaumont Of Leicester and Maud FitzRoy. She had three sisters named Mary, Joan De Vernon and Margeria.  She was the second oldest of the four children. She had a half-brother named Simon IV.


Mary's family with Robert De Courtenay

They had a son and two daughters, named John, Hawisia and Egelina.

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