Sybil De Umfreville 
Sybil De was born in 1203 in Castle Prudhoe, Northumberland, England. Sybil De's father was [Baron Prudhoe] Richard De Umfreville [Baron Prudhoe] and her mother was Sybil De Torrington. She had a brother and a sister, named Gilbert I De and Margery De. She was the second oldest of the three children. She died after 1242.
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