Nathan Bloch was a son of Heiman Samuels Bloch and Golde Jacobs van Leer. He married Betje de Leeuw in 1891 in Schoterland. She passed away in 1929. They had a son Jacob.
Addition of a visitor of the website
In addition, a Jokos file (number 33167) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.