Annie Preger was the daughter of Levie Preger and Sara Swaan. She worked as a student-nurse at the Apeldoornse Bos. At 19 September 1942 she got engaged to Hans van Witsen. He was a nurse and the son of David van Witsen and Sara van de Hoop. The couple married in the Westerbork Transit camp at 28 January 1943.
Register van huwelijksakten, opgesteld op de hulpsecretarie van de burgerlijke stand in het kamp Westerbork; archief van de gemeente Westerbork, opgenomen in het archief van de gemeente Midden-Drenthe te Beilen
Annie Preger worked as a student nurse in the Apeldoornse Bos, where she started working on 12 May 1942.
Municipal Archives Apeldoorn, list of employees of the Apeldoornsche Bosch