Isaac married Betsy Peterson on 1 Aug 1865 in LaSalle County, Illinois, USA. Betsy (daughter of Ole H Peterson and Engeborg Knudsdatter Hetland) was born on 20 Nov 1846 in Norway; died on 5 Aug 1920 in Miller Township, La Salle County, Illinois, USA; was buried in Norway, LaSalle County, Illinois, USA. [Group Sheet] [Family Chart]

1. Oscar Thomas Classon was born on 1 Mar 1866 in Danway, LaSalle County, Illinois, USA; died on 27 Jul 1931 in Radcliffe, Hardin County, Iowa, USA; was buried on 30 Jul 1931 in Radcliffe, Hardin County, Iowa, USA.
2. Cora Jane Classon was born on 10 Feb 1870 in Illinois, USA; died on 8 Feb 1962; was buried in Roland, Story County, Iowa, USA.
3. Isaac Silas Classon was born in 1872 in Illinois, USA; died in 1954.
4. Benjamin Henry Classon was born in 1874 in Illinois, USA; died in 1920.
5. Amos Melvin Classon was born on 26 Jun 1877 in La Salle County, Illinois, USA; died on 13 Jun 1946 in Blue Earth, Faribault County, Minnesota, USA.
6. Jesse Nathaniel Classon was born in 1879; died in 1973.
7. Anna Belle Classon was born in 1882; died in 1975.
8. Clarence Burton Classon was born on 4 Mar 1884; died in 1951.
9. George Floyd Classon was born in 1886; died in 1970.
10. Raymond Elias Classon was born on 27 Sep 1891; died on 31 May 1962.

Thomas married Anne Maria Isaksdatter Holt on 4 Jul 1830 in Sannidal, Telemark, Norway. Anne (daughter of Isak Holt) was born on 8 Jun 1805 in Norway; died on 2 Aug 1849 in Rutland, LaSalle County, Illinois, USA; was buried in LaSalle County, Illinois, USA. [Group Sheet] [Family Chart]