Andries is een zoon van Samuel Con en Betje Mof. Hij trouwde 11 november 1909 met Judith Polak (25 j), dochter van David Nathan Polak en Roosje van Praag.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a bakery and patisserie shop, address: Blasiusstraat 28 in Amsterdam. Abstracts of the police archives which are currently at the Amsterdam municipal archives