The Duitz sisters, Sara, Naatje and Jansje were the three unmarried daughters of Levie Duitz and Louise Zwaap. That family consisted of father, mother and nine children, all born in Amsterdam, the eldest of whom was Salomon from 1873. The next was Simon who was born in 1876, followed by Sara in 1877, (born at Uilenburgerstraat 14), Naatje in 1879, (also born at Uilenburgerstraat 14), Jetje in 1881…