Nieuwe Keizersgracht 61 I, Amsterdam Previous house Next house Residents Esther Asser-van Abbe 1884 - 1942 Frederika Salomons 1896 - 1942 Residents in February 1941 Bernard Klein 1882 - 1942 Dientje Klein-Cohen 1886 - 1942 Child of Bernard Klein and his family date unknown