Jacob Groenteman was a son of Barend Groenteman and Sophia Wijnschenk. He married in Amsterdam on 19 September 1894 to Hanna Haamerslag, a daughter of David Haamerslag and Elisabeth Gans. The family had many children, among them Barend, Sophia, Roosje, Sara, Carel, Abraham, Juda, Louis, Arnold, Gerr…
In addition, a Jokos file (number 10985) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.