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LEUVEN Family Lines: BOULOGNE, LENS, LEUVEN, OF LENS, OF NORMANDY.Places: Normandy, France; Lens, Pas-de-Calais, Nord-Pas-de-Calais, France; Boulogne, Pas-de-Calais, Nord-Pas-de-Calais, France; Leuven, Vlaams-Brabant, Belgium.