Abraham Härtz was married to Reeltje Marina Horneman. He was a sexton and a messenger for the Jewish community of Amersfoort.
K. Ribbens, Zullen we nog terugkeren
. De jodenvervolging in Amersfoort tijdens de Tweede Wereldoorlog (Amersfoort 2002) 15, 147, 164-167
In addition, a Jokos file (number 51861) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.