1. Godfrey Brabatus, Duke of Lothier was born in 1060 in Brabant, Louvaine, France. He died on [Julian] 25 January 1139.
Godfrey Brabatus, Duke of Lothier had the following children:
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2. Josceline de Louvain of Petworth, son of Godfrey Brabatus, Duke of Lothier, married Agnes de Percy. He married Agnes de Percy.
Agnes de Percy, daughter of William de PERCY ( - ) and Alice de Tonbridge ( - ), was born in 1134. She died in 1204. She and Josceline de Louvain of Petworth had the following children:
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Agnes de Percy was the daughter of William de PERCY ( - ) and Adelaide ( - ). She and Josceline de Louvain of Petworth had the following children:
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3. Henry de PERCY, son of Josceline de Louvain of Petworth and Agnes de Percy, was born circa 1145. He died in 1198. He was buried in Abbey St. Lo, Normandy, France. He married Isabel.
Isabel was the daughter of Adam de Brus, Lord of Skelton ( - ). She and Henry de PERCY had the following children:
| 4 | William de Percy (c. 1193-1245). William was born circa 1193 in Alnwick, Northumberland. He married Eleanor de Baliol circa 1234 in Red Castle, Scotland. He died in 1245. |