From Michigan, Probate Records at FamilySearch:
Image 9 (John S. Wilson Estate)
Heirs: Emeline Wilson, Melissa Wamsey, Elizabeth Howard, Mary Wilson, James Wilson, Ada Wilson and George Wilson, all of whom reside in Bay City -- Bay County and state of Michigan and Ann Laraway who resides in Detroit -- Wayne County and state of Michigan.
An enumeration of real estate that was part of the estate:
The Petition To Sell Real Estate was dated February 13, 1871.
This website has a Reminiscence of CAPTAIN WILSON as well as a biography [date of death appeared to be in error].