Jacob Mozes Polak, born 27 September 1873 in Hoorn, was a son of Hartog Isaak Polak and Rosette Hijmans. On 10 March 1899 he married in Hoorn the 41-year retailer of the State Lottery, Mietje Deen, a daughter of Joseph Hartog Deen and Lea Levi Worms. However, she passed away in Hoorn on 18 June 1922, aged 63 years and was interred in the Jewish Cemetery in Hoorn. As far as could researched, Jacob …