Geoffrey de PERCY & Margaret UNKNOWN 
They had a son named William de.
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Personal Details
Geoffrey de PERCY
Geoffrey de was born about 1005 in Perci-en-AUge, Normandy, France. Geoffrey de is no longer alive.
Margaret UNKNOWN
Margaret was born in 1012 in ALnwick, Northumberland, England. Margaret is no longer alive.
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Children
William de PERCY
William de was born about 1034 in Perci-en-Auge, Normandy, France. He died about 1096 in Mt, Joy, Near,m Jerusalem, Palestine.