Jochem van Cleef was a son of Meijer van Cleef and Saartje Kloot. He got married to Clara Jas in 1906. She was the daughter of Joël Jas and Rosette Scharlewie. The couple had six children: Joël, Isaac (who died at a young age), Emanuel, Celina and two children who survived the war. After Clara Jas had died in 1936, Jochem van Cleef got married to Vogeltje Spreekmeester. She was a daughter of Eliazar Spreekmeester and Rebecca Baruch.
Addition of a visitor of the website
In addition, a Jokos file (number 15187) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.