The footnote is in error. Wilmer was born in Philadelphia. Younger brothers Oscar and Orson (twins) and Adelbert were born in Niles. His older siblings were Warren (who drowned in the Paw Paw River on July 4, 1869 at age 18), Horace who lived until 1909, and Laura who died at 8 months.
The Wisconsin River flows 430 miles across the state from Lac Vieux Desert in northern Wisconsin to its junction with the Mississippi River ar Wyalusing State Park in southwestern Wisconsin. Known as "the nation's hardest working river," it has many power dams and resevoirs, mainly on its upper and middle portions along the lower stretch with beautiful scenery and numerous islands.