William de CLAYTON 
William de was born in 1120 in Leyland, Lancashire, England. William de's father was Robert de CLAYTON and his mother was Margaret CABALDESTON. His paternal grandparents were William de CLAYTON and Mary HYDE. He was an only child.-
Ancestor Pedigree Chart
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- b.~ 0980 in Normandy, France
- b.~ 1005 in Normandy, France
- b.1030 in Caudebec, Normandy, France d. in Leyland, Lancashire, England
- b.1060 in Leyland, Lancashire, England d.1141
- b.1090 in Leyland, Lancashire, England
- b.~ 1064 in leyland, Lancashire, England
- b.1120 in Leyland, Lancashire, England
- b.~ 1092 in Leyland, Lancashire, England
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They had a son named Richard de.