Oosterstraat 45 a, Groningen Previous house Next house Residents Heiman Slager 1913 - 1944 Rosina Slager-van Dam 1910 - 1942 Residents in June 1941 Henderikus van Dam 1885 - 1942 Betje van Dam-van Gilpen 1883 - 1942 Hendrik van Dam 1911 - 1944 Marianne van Dam 1908 - 1942