Wilhelmina Wijnhausen was registered at 79 Apollolaan in Amsterdam in 1941 together with her husband Maurits Markens, but they also lived at 60 President Brandtstraat. Under pressure of the circumstances, they took their own lives between 17 and 31 May 1943.
NIOD, Records Joodse Raad, box 36d, letter d.d. 31 May 1943