Annigje Keizer was a resident at the Beileroord psychiatric institution in Beilen. During the raid in the night of 2 to 3 October 1942, she was removed from the institution with eight other patients and deported to Auschwitz via Westerbork.
H. Hamburger and J.C. Regtien, Joodse oorlogsmonumenten in de provincie Drenthe. Profiel (Bedum 1999) 13