Sigel Sybilla De Mitford was born in 1080 in Mitford, Northumberland, England, The Daughter of John De Mitford.
Sigel Sybilla De Mitford married Richard Bertram on 1098.
Sigel Sybilla De Mitford had 1 child. His name is William Bertram.
Sigel Sybilla Bertram (nee De Mitford) passed away in Mitford, Northumberland, England.
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