1. | Hackmann, Johann Heinrich was born 5 Sep 1843, Warren County, Missouri, USA (son of Hackmann, Gerhard Friedrich and Steinkamp, Maria Engel); died 11 May 1920, New Boston, Warren County, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA. Johann married Büscher, Sophia Louise 10 Mar 1865, Warren County, Missouri, USA. Sophia (daughter of Büscher, Ernst Wilhelm and Hölscher, Sophia L.) was born 6 Feb 1847, Hopewell, Warren County, Missouri, USA; died 18 May 1917, Charrette Township, Warren County, Missouri, USA; was buried 21 May 1917, Holstein, Warren County, Missouri, USA. [Group Sheet]
Children:
- Hackmann, Gerhard Wilhelm was born 9 Jan 1866, New Boston, Warren County, Missouri, USA; died 26 Jun 1931, Charrette Township, Warren County, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA.
- Hackmann, Emma Sophia was born 19 Nov 1867, Marthasville, Warren County, Missouri, USA; died 16 Nov 1942, Holstein, Warren County, Missouri, USA; was buried 18 Nov 1942, Holstein, Warren County, Missouri, USA.
- Hackmann, Ernst Samuel was born 1 Apr 1870, Warren County, Missouri, USA; died Yes, date unknown.
- Hackmann, Maria Martha was born 12 Aug 1872, Warren County, Missouri, USA; died Yes, date unknown.
- Hackmann, Johann Heinrich was born 8 Dec 1874, Warren County, Missouri, USA; died 11 Dec 1874, Warren County, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA.
- Hackmann, Maria Louise was born 22 Dec 1875, Warren County, Missouri, USA; died Yes, date unknown.
- Hackmann, Julia Amanda was born 7 Jan 1879, Warren County, Missouri, USA; died 16 Aug 1968, Missouri, USA.
- Hackmann, Heinrich Martin was born 10 Oct 1881, Warren County, Missouri, USA; died 23 Jul 1955, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA.
- Hackmann, Friedrich Daniel was born 14 Oct 1884, Warren County, Missouri, USA; died 15 Nov 1950, Washington, Franklin County, Missouri, USA; was buried 18 Nov 1950, Holstein, Warren County, Missouri, USA.
- Hackmann, Rudoph Florenz was born 13 Aug 1887, Warren County, Missouri, USA; died 14 Aug 1887, Warren County, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA.
- Hackmann, August Arthur was born 10 Dec 1888, Warren County, Missouri, USA; died 1 Apr 1894, Warren County, Missouri, USA; was buried , Holstein, Warren County, Missouri, USA.
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