Joseph Zwaab, born in 1879, was a son of Mozes Zwaab and Hanna Gomes de Mesquita. He was a diamond worker and unmarried. In Joseph’s family six children were born, namely Machiel (1875-1901), Rebecca (1877-1943), Victor (1883-1942), Esther (1885-1886), Hijman (1888-1942) and Joseph self (1879-1942)
Also Joseph left his parental home 4 July 1910 and moved into a house at Nieuwe Keizersgracht 29, to…