Barend de Leeuwe was a son of Hartog de Leeuwe and Engeltje Slier. He married Sientje van Minden on 10 October 1883 in Rotterdam, a daughter of Iaac van Minden and Mietje de Jongh. The couple had nine children, of whom one girl was stillborn and five children have died only a few months after their birth. From the other four children, presumably Joseph, Hartog and Maria might have survived the war…