Israel Smalhout was married to Gracia Santcroos. He was purchasing agent by trade. On 20 August 1943 their daughter Rachel was born in Westerbork transit camp.
Record of birth certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In addition, a Jokos file (number 15868) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.