Louis Hakker was a son of Isaac Hakker and Esther Koe. He married 17 July 1942 in Amsterdam Celine van Cleef, a daughter of Jochem van Cleef and Clara Jas. Louis was a diamond polisher and Celine, usually called Lien, was a seamstress of lingerie. The couple had no children.
Louis Hakker lived at Tugelaweg 97 I in Amsterdam but moved after his marriage to nr. 93 I. 11 May 1943 both were register…