I'm researching ROTH, which only connects through WEINS, but this is what I see for BALDWIN.
USGenWeb > SD > Davison Co. > Graceland & adjoining Calvary Catholic Cemetery, Mitchell:
BALDWIN, John S. (25 Oct. 1862, Clayton, IA - 5/6 July 1886, drowned)
Margaret E., wf/o Geo. (1864 - 2 Dec. 1918, diabetes)
Aflecke/Aplick (ca. 1884 - 22 F 1887, swallowed a nail)
Jess (July 1892, SD - 18 Apr. 1988)
Kathryn (ca. 1901 - 13 Jan. 1997, ae. 95)
Dora Marie (ca. 1900 - 28 Jan. 1998)
Frances Maxine [GRACE], wf/o C. E., (23 Nov. 1908, Marion Junction, SD - 5 May 1943, Dorris, CA, carcinoma)
Roger W., s/o Lou (31 Jan. 1914, Sibley, IA - 2/3 Nov. 1980, car acc.)
Irene V. [SEEMAN], wf/o Roger (28 Jan. 1913 - 1 F 1998)
Marlene D. (ca. 1936 - 5 May 1964, car acc.)
Curtis (23 May 1953, Mitchell - 28 Jan. 1993, unm., s/o Wilbur)
Joy Carolyn, d/o H. (1955 - bu. 20 Oct. 1970)
Craig Dennis, bu. 7 Aug. 1961, infant?
Wilbur T., see obit.
FamilySearch database of the 1880 Census, Eaton, Manitowoc, WI: BALDWIN, Edward, 38, grocer, NY VT VT; wf. Lucy, 41, NY NY CT; dau. Ester, 9, WI; mother Marah FRACIS, 71, CT CT ME [This must mean mother of Lucy, as Edward's mother was supposedly b. VT.This cannot be the right family for Jess of SD, as Lucy would not have had ch. b. 1892.Was there another wife or another family?]
Edwin J. BALDWIN (5 Mar. 1848, Milwaukee, M., WI - 10 Oct/Dec. 1921, Wentworth, Lake Co., SD; s/o Jesse BALDWIN & Sophia HUNT) m. 20 Jan. 1874, Milwaukee, Ella Frances AUSTIN (27 F 1854, Milwaukee - 20 Oct. 1923, Wentworth, SD).There's a message on this forum for the background. Database has in 1880, Eldora, Hardin, IA:Edward, 25, WI _ _; wf. Ella P., 24, WI NY NY. [Did this Ed. have another marriage?]
SD Births online include these and a few others
Thomas BALDWIN & Edith MALLORY had Ethel, b. 5 Mar. 1904, Butte Co.
Deo BALDWIN & Jennie EATON had Donald, b. 2 Nov. 1904, Miner Co.
Alonzo BALDWIN & Edna NEFF had Harvey, b. 15 Jan. 1905, Moody Co.
Joseph BALDWIN & Bessie CAKEBREAD had Lester, b. 23 Apr. 1905, Jerauld Co.
This is what Mike ANDREWS sent:Kenneth E. BALDWIN m. 8 Apr. 1943, Gladys UPHOFF.Kenneth is son of Jesse BALDWIN & Katherine / Kathryn KOPFMANN.
Jesse was son of Edward J. BALDWIN, b. NY, who m. Ada & had
Clarence, b. Sept. 1883, WI
Harry, b. Feb. 1887, SD
Jesse, b. July 1892, SD [Of Warren T., Sanborn Co., SD, 1900; Silver Ck., Sanborn Co., SD, 1910; Alpena, Jerauld Co., SD, 1920.]
There are so many Edwards and Jesses that it's difficult to connect the right ones.Please make additions and corrections.