Salomon Polak was married to Roosje Vogel. He was a merchant. They attended the wedding of their daughter Lola Ronny Polak to Albert Leopold Clement Stodel. The marriage was performed at Westerbork transit camp on 9 April 1943. The parents signed the marriage certificate.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In addition, a Jokos file (number 36071) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.