Karl married Rosa Ottilia Fuchs on 18 May 1897 in Yorkville, York Township, Dearborn County, Indiana, USA. Rosa (daughter of Georg Fuchs and Barbara Nau) was born on 8 Jun 1872 in Yorkville, York Township, Dearborn County, Indiana, USA; died on 25 Nov 1948 in Yorkville, York Township, Dearborn County, Indiana, USA. [Group Sheet] [Family Chart]

1. Martha Helena Hornbach was born on 2 Jan 1902 in Yorkville, York Township, Dearborn County, Indiana, USA; died in 0Sep 1978 in Dearborn County, Indiana, USA.
2. Emma Hornbach was born in 1904 in Yorkville, York Township, Dearborn County, Indiana, USA.