Louis Bremer, who was born on 30 October 1919 in Rotterdam, was a son of the bread baker Joseph Bremer and Eva Koekoek. He married 27 May 1940 in Rotterdam Esther Sanders, a daughter of Benedictus Sanders and Sara Boeki and who was born in Rotterdam on 14 October 1921. The couple had two children, namely Joseph in July 1940, born in Rotterdam and Benedictus, who was born in Westerbork July 1943. T…