Margarete Hermann was born in Berlin on February 11, 1880, the daughter of Julius Hermann and his wife Helene née Born.

Gerda Abelt was born in Berlin on March 19, 1917, the daughter of Ludwig Abelt, a non-Jewish merchant, and his Jewish wife Charlotte Ulrika, née Rosenstock.

Annemarie Krebs was born into a Jewish family in Berlin on April 22, 1906.