Leentje van West was born on 9 March 1877 in Amsterdam as daughter of Hartog van West and Antje Schaap. Since July 1892 she lived with her parents at Plantin en Moretuslei Oost nr. 303 in Borgerhout, but moved in May 1909 – still unmarried – to Van Nottebohmstraat 23 in Antwerp.
Leentje van West married 6 March 1912 in Brussels to Hersch Pfeffer, who was born 1 February 1880 in Solotwina in Poland…