Käthe Schottländer, daughter of Ismar Schottländer and Marie Becker, married in June 1917 in Breslau to Felix Loeser (born Breslau 1886). They had three sons. Presumably late thirties they came to the Netherlands. From October 1940 they lived in Groningen. Felix died on 28 January 1941.
Käthe remarried on 2 July 1942 to Salomon Jacob Kirschen (born Poland 1890).