Info on Theodore Dutcher,Wisconsin 1850s

We are seeking info on my wife's maternal GreatGreat Grandfather Theodore Dutcher, 1840-1893. Here's what we know so far:

Theodore Dutcher was born in Tyre, NY in 1840. He married Elizabeth Anne Rowe from Cornwall, England. They married in Sullivan, WI on 8-19-1864. Theodore's Son was Edward Dutcher, born 9-3-1861 in Wisconsin.

Edward Dutcher married Margaret Probst (b 2/15/1862) on 9/19/1885 in Palmyra, Wisconsin

Edwards son, Ernest (b 10-20-1888) is my wife's Grandfather.

Ernest had 6 siblings: Olive b 2/20/1886, Lenna b 6/19/1887, Harry b 2/4/1890, Norma b 3/29/1895 andIrma b 12/5/1897.
Ernest married Anne Katherine Larsen of Antioch, ILL

Any help or clues you can give will be greatly appreciated. If we can help with any thing for your search please let us know.

Regards,

Joe Melcher
San Diego, CA