Käthe Auerbach was born on 08 dec 1894 in Krotoszyn, Kujawsko-Pomorskie Poland. (Krotoschin, Posen, Germany) Daughter of Joachim/Jacob Auerbach and Selma Birnbaum. She married Erich Blumenreich in 1925 in Breslau. Käthe took care of her mother ( Selma Auerbach - Birnbaum) till Selma death in 1930. Kathe and Erich moved to Amsterdam in 1933 and lived on the Argonautenstraat. Kathe died on 09 April 1943 in Sobibor Concentration Camp in Poland. Käthe and Erich had no children.
Kathe Auerbach was Vera Bythiner's aunt.
