Vrolikstraat 80 I, Amsterdam Previous house Next house Residents in February 1941 Alexander de Vries 1916 - 1941 Betje de Vries-Heide 1919 - 1943 Esther de Vries 1940 - 1943 Sonja de Vries 1941 - 1943 Jakobus Joseph Walvisch 1913 - 1944 Partner of Jakobus Joseph Walvisch and his family date unknown Child of Jakobus Joseph Walvisch and his family date unknown