Christian married Grahner, Natalie on 28 Jul 1867 in Germany. Natalie (daughter of Grahner, Philipp Ferdinand and Arnold, Antoinette Christiane) was born on 10 Jul 1848 in Germany; died in DECEASED in Sonneberg, Sonneberg, Thüringen, Germany. [Group Sheet] [Family Chart]

1. Hartwig, Albert was born on 1 Nov 1871 in Sonneberg, Sonneberg, Thüringen, Germany; died in DECEASED.
2. Hartwig, Otto was born on 8 Jun 1873 in Sonneberg, Sonneberg, Thüringen, Germany; died in DECEASED.
3. Hartwig, Arno was born on 28 Jan 1875 in Sonneberg, Sonneberg, Thüringen, Germany; died in DECEASED.
4. Hartwig, Oskar was born on 16 Feb 1876 in Sonneberg, Sonneberg, Thüringen, Germany; died in DECEASED.