Isaac Gompers was a son of Mozes Gompers and Leentje Rijnveld. He married in Amsterdam on 30 April 1924 to Rachel de Jong, daughter of Siemen de Jong and Sara Prijs. website www.wiewaswie.nl.
In addition, a Jokos file (number 20377) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.