I find a couple Nelson Russell names in Oak Grove Cemetery Book (Coldwater, Branch Co., MI.) but not yours.
Russell, Nelson,b Dunkirk, NY,d Coldwater 10 Nov 1929, age 89y 10m 10d, male, married, (Mrs. Carl Martin, dau), Lot 40, Sec 20, Vol. 2-100.
Russell, Nelson C., b Ovid Twp.,d Coldwater 20 May 1950, age 92, male, married, (Jennie Russell, wife), Lot 40, Sec 20, Vol. 3-4.
There is a Bertha Russell 1883-1939 died in Battle Creek, married, the informant is Luther E. Russell, in same lot with the above 2 Nelson Russell men. And Luther E. Russell 1870-1948 widowed, informants Mrs. Hazel Farwell & Mrs. Carman [Edna] McNitt, daughters) also buried in same lot with the others mentioned above. There are almost 2 pages of Russell names in this cemetery.
There are 2 Russell names in Bronson cemetery, up to the year 1985: Russell, JackJan 27, 1925--Jul 6, 1976 WWII vet. Russell, Nellie (d/Chas. Hamilton)Apr 21, 1873-Jul 23, 1938. Do you know the parents of Caroline Parkhurst ? That is a prominent name in the county and might be something in a history book about them if you have more info I can use to hunt ?? Mary