Esther Schelvis, a daughter of Benedictus Schelvis and Eva Italiaander, married Nathan Hakker on 6 June 1906 in Amsterdam, a son of Hijman Hakker and Sientje de Klijn. Esther and Nathan were both born in Amsterdam, she on 9 April 1888 and he on 4 December 1887. Nathan Hakker earned his money as a hawker and trader in fruit and vegetables and owned later a greengrocer’s shop in the Beethovenstraat …