Isaac Tulp, a son of Abraham Tulp and Sara Hoed married 23 December 1920 in Amsterdam Bertha Jacobs, a daughter of Lion Jacobs and Mietje Ossendrijver. website www.wiewaswie.nl.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a textile goods shop, address: Jan Evertsenstraat 74-76-78 in Amsterdam. Abstracts of the police archives which are currently at the Amsterdam municipal archives