Zadok van Weezel was a son of Juda van Weezel and Grietje Cohen, a family with three children: Zadok himself, Emelia and Mozes. After the death of his mother, his father Juda married Grietje's sister Klaartje Cohen, also daughter of Sodik Cohen and Martha Brandes.
Zadok van Weezel married in Amsterdam on 18 October 1906 to Rachel Gans, but she passed away on 29 January 1927. The couple had one dau…