John married Ottilia T. Miller on 23 Aug 1905 in Dearborn County, Indiana, USA. Ottilia (daughter of Isadore Miller and Magdalena Kaiser) was born on 9 Oct 1885 in Dearborn County, Indiana, USA; died on 21 Jul 1948 in Indiana, USA. [Group Sheet] [Family Chart]

1. Helen C. Hornbach was born in 1908 in Cincinnati, Hamilton County, Ohio, USA.
2. Arthur E. Hornbach
3. Mildred O. Hornbach
4. Sylvester J. Hornbach was born on 10 Feb 1915 in Cincinnati, Hamilton County, Ohio, USA; died on 24 May 1991 in Cincinnati, Hamilton County, Ohio, USA.