Jochem is een zoon van Meijer van Cleef en Saartje Kloot. Hij trouwde 21 november 1906 met Clara Jas (18 jaar), dochter van Joël Jas en Rosette Scharlewie.
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 Elia…