Nieuwe Achtergracht 63 III, Amsterdam Previous house Next house Residents in February 1941 Joseph Katwijk 1914 - 1943 Greta Katwijk-Heide 1916 - 1942 Harry Katwijk 1941 - 1942 Max Katwijk 1940 - 1942 Alexander Katwijk 1938 - 1942