Herfast de ARQUE 
Herfast de was born about 0885 in Sjaelland Island, Denmark. Herfast de's father was Harald II Parcus King of SJAELLAND and his mother was Elfgifu, Princess of WESSEX. He was an only child. He died in Arque, Seine-Infereiure, Normandy, France.
He had a biological son named Herbastus de.
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Children
Herbastus de CREPON
Herbastus de was born about 0911 in Arque, Seine-infereiure, Normandy, France. He died about 0981.