Isak Simons was the son of David Simons and Anna van Vlijmen. He married in 1911 in Den Bosch. Isak, his wife and their four children moved in 1929 from Den Bosch to Amsterdam.
One of his children died before the war. His wife and three children survived the war.
Addition of a visitor of the website
In September 1941, an obituary was placed in Het Joodsche Weekblad for Is. Simons.
Het Joodsche Weekblad, 5 September 1941, 10