Sources: RC 109, 374: AF: Kraentzler 1450; and Pfafman. Prince of Danes or Norsemen who invaded Normandy with Rollo. Also called Foulques I. RC: Vicomte of Angers and the first real Count of Anjou. He and Roscilla were PROBABLE parents of Adele. K: Foulques I, LeRoux, Count d'Anjou.