Erasmusstraat 21 a, Rotterdam Previous house Next house Residents in April 1942 David Bon 1899 - 1944 Leentje Bon-van der Sluis 1904 - 1942 Simon Bon 1941 - 1942 Sara Bon 1928 - 1942 Betje Bon 1925 - 1942 Mietje Bon 1923 - 1942