John married Margaret Dopp on 24 May 1866 in Rochester, Monroe County, New York, USA. Margaret was born in 1838; died in in Rochester, Monroe County, New York, USA. [Group Sheet] [Family Chart]

1. George Groh was born on 25 Dec 1866 in Rochester, Monroe County, New York, USA.
2. George Groh was born on 27 Aug 1868 in Rochester, Monroe County, New York, USA.
3. Anna Groh was born on 3 Nov 1869 in Rochester, Monroe County, New York, USA.
4. Elizabeth Groh was born on 6 Nov 1871 in Rochester, Monroe County, New York, USA.
5. Catherine Louise Groh was born on 15 Apr 1873 in Rochester, Monroe County, New York, USA.
6. Emilia Groh was born on 2 Jul 1875 in Rochester, Monroe County, New York, USA.
7. Edward Groh was born on 26 Feb 1877 in Rochester, Monroe County, New York, USA.