Lehman de Haaff was a son of the fishmonger Salomon de Haaff and Catharina Schnitzler. He had two other brothers, Nathan Calman, born 15 May 1868 and Andries, who was born 4 May 1884 and also four sisters, namely Elisabeth, born 20 May 1871 in Grimsby in England, Rosa from 1874, Sophia from 1875 and Pauline from 1877, all three born in Rotterdam. Rosa, Sophia and Lehman were killed during the Shoa…