Vrouwtje Bierman was the daughter of Mozes Bierman and Rosalie de Leeuwe. She was born on 31 January 1911 in Amsterdam and started working as a seamstress. She married Jacob Slösser on 22 January 1931, who was born on 8 May 1903 in Amsterdam as the son of Izaak Slösser and Roosje Frankvoorder. Jacob and Vrouwtje had two children together, namely Isaac on 10 June 1931, and Mozes, who followed on 18 August 1934.
However, the marriage of Vrouwtje Bierman and Mozes Slösser did not last and on July 20, 1937, the marriage was dissolved by divorce. On 1 March 1939 Vrouwtje Bierman remarried in Amsterdam Josef Karl Goedhardt, born in Bocholt on 17 February 1910. He was a son of Jakob Goedhardt from Aalten and Sara Denneboom from Hardenberg. From this marriage no children are known.
During her first marriage, the Slösser-Bierman couple lived at De la Reijstraat 14 1st floor in the Transvaal district of Amsterdam East. After Vrouwtje Bierman was divorced and married again on 1 March 1939, she moved on 2 March to Ruyschstraat 29 2nd floor, with the widow of Gaim L. Markus. Her second husband Josef Karl Goedhart also came to live in there on that date. A few months later, on 8 August 1939, the Goedhardt-Bierman couple moved into a house at Christiaan de Wetstraat 16 2nd floor in Amsterdam-East. They had no children together.
Vrouwtje’s sister Lea Bierman was officially divorced from Mozes Blog on 14 May 1942, when she came to live in with her sister and brother-in-law at the end of May. In the meantime, her son Coenraad Blog was accomodated with his grandparents Blog and later in the Colson children's home. However, already a few months later, Lea Bierman was registered in Westerbork and deported to Auschwitz on 16 July 1942. After the war, the Ministry of Justice established that she died there on 30 September 1942.
After their parents divorce, the children of Vrouwtje Bierman, Isaak and Mozes Slösser, remained living with their father Jacob Slösser, who remarried on 14 October1937 Gracia Sealtiel and resided at Uiterwaardenstraat and from 1940 at Hoendiepstraat in Amsterdam-South. In 1939 and 1940 they got two more sisters, Roosje and Susanna Slösser.
Josef Karl Goedhart and his wife Vrouwtje Bierman were arrested on 11 December 1942 and taken to concentration camp Vught. On 21 May 1943, Josef Karl Goedhardt was sent to the outer camp of Moerdijk, where he stayed in barrack 3. On 3 July 1943, Josef Karl Goedhart was sent back in Westerbork, where he was locked up in the penal barrack 67 for unknown reasons.
On July 6, 1943, both were deported to Sobibor where they were immediately murdered in the gas chambers upon arrival on 9 July 1943.
Sources include the Amsterdam City Archives, family registration cards of Jacob Slösser, archive cards of Jacob Slösser, Vrouwtje Bierman, Gracia Sealtiel and Josef Karl Goedhardt; the file cabinet of the Jewish Council, registration cards of Vrouwtje Bierman and Josef Karl Goedhardt; website ITS Arolson / documents Kamp Vught of Josef Karl Goedhardt and Vrouwtje Goedhardt-Bierman; Amsterdam residence cards of Ruyschstraat 29 2nd floor and Christian de Wetstraat 16 2nd floor.