Sprota was the mistress of Guillaume I "Longuespée", comte de Normandie, son of Ganger Hrolf (Rollo) "Le Pieton" Rögnvaldsson, Count of Normandy and Poppa de Bayeux, about 932 in Normandy, France. (Guillaume I "Longuespée", comte de Normandie was born between 900 and 905 in Rouen, Seine-Maritime, Haute-Normandie, France and died on 17 Dec 942 in France.)