Ruben Rubens was the son of Levie Simon Rubens and Saartje Philips. he married Judik Cohen in Doetinchem Stad on 25 February 1887. The couple had five children, among whom Levij and Mina.
Amsterdam Municipal Archives; record card of Ruben Rubens
In addition, a Jokos file (number 5969) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.