Isaäc Swart, son of Heintje Schenkkan and Nathan Swart, was a commercial traveller. He married 18 April in Amsterdam Henderika Piller, a daughter of Daniel Piller and Sara Visser. After their wedding, they moved in a house in the Biesboschstraat 40 2nd floor, but already after a few months, they moved in with Isaac’s parents in the Vechtstraat 131 2nd floor. In November 1940 they moved with his pa…