Matthias married Katharina Schwarzmüller on 7 Jan 1849 in Rochester, Monroe County, New York, USA. Katharina (daughter of Franz Joseph Theobald Schwarzmüller Miller and Anna Barbara Viktoria Morio) was born on 18 Sep 1829 in Hauenstein, Pfalz, Bayern; died in 1925 in Rochester, Monroe County, New York, USA; was buried in Holy Sepulchre Cemetery, Rochester, Monroe County, New York, USA. [Group Sheet] [Family Chart]

1. Rosina Appolonia Daus was born on 8 Feb 1850 in Rochester, Monroe County, New York, USA; died on 13 Oct 1900 in Rochester, Monroe County, New York, USA.
2. Magdalena Daus was born in 1853 in Rochester, Monroe County, New York, USA; died in in Rochester, Monroe County, New York, USA.
3. Agnes Daus was born in 1862 in Rochester, Monroe County, New York, USA; died on 9 Jan 1890 in Rochester, Monroe County, New York, USA; was buried on 13 Jan 1890 in Holy Sepulchre Cemetery, Rochester, Monroe County, New York, USA.
4. Louis Henry Daus was born in 0May 1865 in Rochester, Monroe County, New York, USA; died on 17 Mar 1932 in Rochester, Monroe County, New York, USA; was buried in Holy Sepulchre Cemetery, Rochester, Monroe County, New York, USA.
5. George M. Daus was born in 0Jun 1868 in Rochester, Monroe County, New York, USA; died in 1901 in Rochester, Monroe County, New York, USA; was buried in Holy Sepulchre Cemetery, Rochester, Monroe County, New York, USA.