- Detailed Facts for Joseph MULLER and Jenny HARTMANN
- Born 7 March 1849 in Hamburg, Germany
- with Jenny HARTMANN:
Married 9 May 1872 in Hamburg, Germany
- Child: Elise Sophie MULLER:
Born 19 February 1873 in Altona, Hamburg, Hamburg, Germany
- Child: Anni MULLER:
Born 12 September 1879 in Hamburg, Germany
- Child: Sophia MULLER:
Born 15 November 1882 in Hamburg, Germany
- Child: Robert Gerson MULLER-HARTMANN:
Born 11 October 1884 in Hamburg, Germany
- Residence 2 September 1886 in Hamburg, Germany
- Child: Bruno MULLER:
Born 2 September 1886 in Hamburg, Germany
- Child: Eugene Herbert MULLER:
Born circa 1888 in Hamburg, Germany
- Residence 1903 in Hamburg, Germany
- Died 19 January 1903 in Hamburg, Germany
- Buried 21 January 1903 in Judischer Friedhof Ohlsdorf, Hamburg, Germany