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Male Henry I de Percy Click to view Henry I de Percy in the family tree

Henry I was born before 1198.  Henry I's father was Henry de Percy and his mother was Isabel le Brus.  His paternal grandparents were Joscelin de Louvaine and Agnes de Percy; his maternal grandfather was Adam II de Bruce and his maternal grandmother is Joanna de Meschines. He had a brother named William.  He was the younger of the two children.

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