Michael married Barbara Joann Hammerle on 9 Feb 1886 in Dearborn County, Indiana, USA. Barbara (daughter of Heinrich Hammerle and Apollonia Lämmel) was born on 5 Feb 1862 in Dearborn County, Indiana, USA; died on 6 Feb 1925 in Yorkville, York Township, Dearborn County, Indiana, USA. [Group Sheet] [Family Chart]

1. Anna Mary Trossman was born on 15 Jan 1887 in Belleville, St. Clair County, Illinois, USA; died on 7 Dec 1966 in Dearborn County, Indiana, USA.
2. Joseph Henry Trossman was born on 3 Feb 1889 in Dearborn County, Indiana, USA; died on 26 Nov 1964 in Dearborn County, Indiana, USA.
3. John Michael Trossman was born on 9 Nov 1895 in Dearborn County, Indiana, USA; died on 24 Feb 1912 in Yorkville, York Township, Dearborn County, Indiana, USA.
4. Helena Cecelia Trossman was born on 9 May 1897 in Dearborn County, Indiana, USA; died on 21 Apr 1909 in Yorkville, York Township, Dearborn County, Indiana, USA.
5. Catherine Angela Trossman was born on 5 Nov 1901 in Dearborn County, Indiana, USA; died on 26 Nov 1983 in Dearborn County, Indiana, USA.