Sara Beek was the youngest of the seven children of Izaak Leon Beek and Matje Mok. She was unmarried and worked as office clerk. Since 1929 she lived at Noorder Amstellaan 60 3rd stock in Amsterdam-South (after the war renamed as Churchilllaan), but up from 23 May 1940 she lived at Cornelis Schuytstraat 47 upperhouse, moved even in 1940 to Breugelstraat and Hemonylaan, in 1941 to Reguliersgracht a…