Mozes van Sijs, a son of Aaron van Sijs and Sientje Swaab, married 14 January 1909 in Zaandam to Henriette Bak (1884) who however passed away in Apeldoorn on 29 November 1916. From this marriage a son Aron was born who died in 1918 and who was interred in the Jewish Cemetery in Diemen. The 2nd marriage of Mozes van Sijs took place in Amsterdam to Rachel Jacobs on 27 June 1917, a daughter of Lion Jacobs and Mietje Ossendrijver. From this marriage, their son Jonny was born in 1924.
City Archive of Amsterdam, archive card of Mozes van Sijs and website www.wiewaswie.nl.
Biography