Joseph van der Ham was married to Jennie Koppens and Salomon was their son.
Phocas Kroon, De joodse gemeenschap in Eindhoven 1940-1945(2003, in eigen beheer uitgegeven) p. 33, 61
The Eindhoven police commissioner requested that Joseph van der Ham and his wife Jenny van der Ham-Koppens, residing in Eindhoven, be located, detained and brought to trial. They were suspected of having changed their pl…