Ruth, Sigrid, Rainer, Esther, Heinrich-Hartmut (Henry H. Arnhold)
Heinrich Arnhold, in full Heinrich Gustav Arnhold (born July 22, 1885, in Dresden; died October 10, 1935, in Dresden) was a German banker, collector, patron and esperantist.[1]
^Lins, Ulrich (2006). "Ulrich Lins: Heinrich Arnhold. Ein vergessener Pionier. In: Esperanto aktuell 2006/1, S. 8f". Esperanto Aktuell: 8.