Nathan Weenen was a son of Goedman Weenen and Leentje Löwenstein. He married in Amsterdam on 16 June 1920 to Sophia Peper, daughter of Leendert Peper and Anna Polak. The couple had two sons: Gerrit and Leo.
City Archive of Amsterdam, archive card of Goedman Weenen and the website www.wiewaswie.nl.