Meijer Jacob Leons was a son of Isaac Leons and Barendina de Leeuwe. On 5 May 1886 he married Sara Boekbinder in Rotterdam, a daughter of Juda Simon Boekbinder and Lena Izaaks. The couple had eight children; their first born son Izaak passed away however at age 23 in 1909. All other children, namely Lena, Louis Abraham, Juda Simon, Barendina, Judith, Salomon and Abraham and their families have bee…