Abraham Melkman and Duifina Bloemendal married in 1904 in Ambt Almelo. They had two children, a daughter Lena and a child that survived the war.
Stadsarchief Amsterdam, archiefkaart Abraham Melkman
In addition, a Jokos file (number 18832) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.