Vrolikstraat 54 I, Amsterdam Previous house Next house Residents in February 1941 Salomon Levie Sitters 1889 - 1942 Rebecca Sitters-Tromp 1886 - 1942 Rosina Sitters 1925 - 1942 Jacob Blok 1916 - 1942 Schoontje Blok-Sitters 1913 - 1943 Aäron Blok 1940 - 1943