Mietje Gosselaar, daughter of Jacob Gosselaar and Elisabeth Veltein, was the widow of the diamond turner Gabriel Swart, who died on 11 May 1914. They had married in Amsterdam on 16 August 1899. The couple had two children, Alida and Elisabeth.
A copy remains of the Gabriel Swart and Mietje Gosselaar's marriage certificate.
Jewish Historical Museum, Document collection, inv. nr 10289, file 4
Biography