Bisschop Ottostraat 29, Haarlem Previous house Next house Residents in August 1942 Hartog Ketellapper 1893 - 1943 Samuel Ketellapper 1929 - 1943 Roosje Ketellapper 1932 - 1943 Rachel Ketellapper 1927 - 1943 Betsy Ketellapper 1924 - 1943 Residents in August 1942 Aaltje Joel-Olman 1901 - 1943 Meijer Joel 1930 - 1943 Child of Aaltje Joel-Olman and her family date unknown Wilhelmina Sophia Joel 1928 - 1943