Mainfred de Percy

Mainfred de was born about 0891 in , Artois, Flanders, France and his baptism took place in <, , , Norway>.¹   Mainfred de's father was Rollo Unknown and his mother was Poppa De Bayeux. He had two brothers and a sister, named William I "Long Sword" De, Robert de and Crispina de.  He was the oldest of the four children. He had a half-brother and a half-sister, named Richard De and Gerloc.