Bertha Biedermann was a daughter of Maijer Markus Biedermann and Justine Kann. She married 31 July 1912 in Zaandam to Abraham Crost, a son of Michel Crost and Hanna Vas Dias. Bertha and Abraham had a daughter in 1913, who left for England in 1940 and survived the war.
On 17 December 1926 Bertha divorced Abraham Crost and 16 February 1928 she remarried the also divorced Jerphaas Jordaan, a son of …