Simson Duveen was married to Racheltje Pais. He and his wife had two children, Aäron and Rebekka. The family lived at 1 Boschstraat in Winschoten. Simson Duveen ran a fruit and fish shop. Racheltje Duveen-Pais was the chairwoman of the 'Kerksieraden en Liefdadigheid' ladies' society.
In addition, a Jokos file (number 34096) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 2854/19778).