Alfred Auerbach was born on July 21, 1896 in

Martin Asch was born in Posen on March 10, 1873, the son of Hermann Asch and his wife Jeanette, née Neustaedter.

Hans Asch was born in Berlin on July 16, 1901, the son of Martin Asch and his wife Clara née Falkenstein; his brothers were Kurt (1900) and Ralph (1918), and his sister Ellen (1909).