Emanuel Loonstein was a son of Jacob Loonstein and Naatje Speijer. He married 5 February 1920 in Amsterdam to Schoontje Keizer, daughter of Emanuel Keizer and Kaatje van der Beugel. The couple had only one son, Jaap Emanuel.
City Archive of Amsterdam, archive card of Emanuel Loonstein.
Emanuel Loon…
In addition, a Jokos file (number 55883) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.