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Male Alan Mangus ALEGEMON De Percy Click to view Alan Mangus ALEGEMON De Percy in the family tree

Alan Mangus ALEGEMON was born in 1067 in Alnwick,Northumberland,England.  Alan Mangus ALEGEMON's father was William De Percy and his mother was Emma De Port.  His paternal grandparents were Geoffrey De Percy and Margaret UNKNOWN; his maternal grandfather was Gospatric De Port. He had a brother named Alan.  He was the older of the two children.  He died at the age of 53 in 1120.


Alan Mangus ALEGEMON's family with Emma De Gaunt

They had a son named William.

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