David Lopes Cardozo, diamond worker, was a son of Wolf Lopes Cardozo from Amsterdam and Kate Baruch from London. His parents resided in Antwerp, where his father worked in the diamond industry. David was married in Amsterdam on 4 May 1921 to Duifje Kosman, a daughter of the florist by trade Barend Kosman and Leentje Pachter. David and Duifje had three children together: on 14 February 1922 their d…