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Male William , 3rd Baron Percy de Percy Click to view William , 3rd Baron Percy de Percy in the family tree

William , 3rd Baron Percy was born about 1088 in Alnwick,Northumberland,England.  William , 3rd Baron Percy's father was William II de Percy and his mother was Alice De Ros.  His paternal grandparents were Alan de Percy and Emma De Gaunt; his maternal grandparents were Everhard de ROS and Roese TRUSSEBUT. He had four brothers and two sisters, named Geoffrey, Henry, Robert, Gaufrid, Unknown and de Percy.  He was the oldest of the seven children.


William , 3rd Baron Percy's first family with Alice (Adeliza) de (Clare) Tunbridge

‌William , 3rd Baron Percy and Alice (Adeliza) de (Clare) were married in a religious ceremony in 1136 in Tunbridge,Kent,England.  They had four sons and four daughters, named Walter, Alan, Richard, William, Agnes, Maud, Alice and Emma.


William , 3rd Baron Percy's second family


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