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Male William "The Surety" de Lanvallei Click to view William "The Surety" de Lanvallei in the family tree

William "The Surety"'s father was William de Lanvallel II and his mother was Hawise De BOCLANDE.  His paternal grandparents were William I de Lanvallel and Gunnora de Saint Clare; his maternal grandparents were Hugh BOCKLAND and Maud De MANDEVILLE.  He was an only child.  He died in 1217.


William "The Surety"'s family with Hawise Basset

They had a daughter named Hawise.

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