Johann Keplerstraat 7 b, Amsterdam Previous house Next house Residents in February 1941 Hartog Leendert van Sisteren 1894 - 1944 Esther van Sisteren-Vischschraper 1897 - 1943 Simon van Sisteren 1922 - 1943 Leendert van Sisteren 1918 - 1944 Child of Hartog Leendert van Sisteren and his family date unknown