Nicolaas Witsenkade 20 huis, Amsterdam Previous house Next house Residents in February 1941 Sara Zwaaf-Zwaaf 1916 - 1944 Family member of Hurwitz and his family date unknown Residents in February 1941 Izaak Vet 1874 - 1942 Duifje Vet-de Klerk 1880 - 1942