Abraham Lenson was married to Lucie Damex. On 18 May 1943 their second child, a son named Jacques, was born in transit camp Westerbork.
Record of birth certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In addition, a Jokos file (number 36050) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.