Jesaia Vos and Saartje Leuw were both born in Amsterdam, he on 13 February 1888 as son of Hijman Vos and Lea van West and she on 15 December 1887 as daughter of Salomon Leuw and Keetje Goudsmit. Jesaia and Saartje married in Weesp on 22 October 1910, left then again for Antwerp where they had three children, namely Salomon 1911, Lea in 1912 and Neeltje, usually called Nelly, who was born in 1914 in Deurne (Antwerp). Nelly married Nathan Lek, they had a son Alfred and they survived the Holocaust. Salomon and Lea however were murdered with their families during the Shoah.
Jesaia Vos was a diamond polisher and therefore he worked regularly in Antwerp, lived there, in Deurne and Borgerhout. In 1910 he was there for the first time, returned to the Netherlands, married in Weesp, lived then shortly in the Rustenburgerstraat 94 in Amsterdam, but still before their son Salomon was born in August 1911, they had moved already to Antwerp again, where they stayed in the Somerstraat 59. More moves followed, to Deurne and to Borgerhout, but in February 1941 they returned to Amsterdam.
In Amsterdam, Jesaia and Saartle lived per 19 Febuary 1941 in the Oude IJsselstraat 33 1st floor; on 25 March 1941 they moved to Carillonstraat 20 1st floor but on 22 April 1941 they moved again to Oude IJsselstraat no. 26 3rd floor, which would become also their last known address in the Netherlands.
In September 1942, Jesais Voa and his wife Saartje Leuw were arrested and via the Hollandsche Schouwburt, they arrived in Westerbork on 25 September 1942. Already three days later they were both, together with more than 600 other deportees, put on transport from Westerbork to Auschwitz and on arrival there on 1 October 1942, immediately murdered in the gas chambers of Auschwitz-Birkenau.
Sources include the Felix Archive Antwerp/Dossiers of Foreigners of Borgerhout no’s 5787 and 6163 for Saartje Leuw and Jesaia Vos; The City Archive of Amsterdam, archive card of Jesaia Vos; the file cabinet of the Jewish Council, registration cards of Jesais Vos and Saartje Vos-Leuw and the Wikipedia website jodentransporten vanuit Nederland.nl.