Social Security Death Index verifies the dates for Lydia EICHOLTZ.You could try to get her death certificate and obituary for further clues.There was also on SSDI Florence EICHOLTZ (10 Oct. 1910 - Jan. 1987, lr. Portersville, Butler Co., PA).
You must need to find a different Margaret HIN(C)KLEY, because Margaret b. 1877 couldn't have had daughter Lydia in 1882 at age five.
Have you found other spellings for SWEINTZBERG?I couldn't find that name on censuses.I found some Schweinsberg(er) entries.
Portsmouth, Scioto, OH, 1880 census, SCHWEINSBERG,
John, 33, b. Beaver Co., PA, saloon keeper, father b. Germany, mother?
Wf. Elizabeth, 32, b. NY, parents b. Wurttemberg.
Ch. b. Scioto Co., OH:Eliza Jane, 12; Chas. H., 10; Mary Eliz., 9; Wilhelmina H., 7; John F., 6; Amy C., 4; Geo. L., 2; Elizabeth, 5 mos.
There was a death certificate on pilot.familysearch.org for George SCHWEINSBERG, Jr. (28 Je. 1899, OH - 16 Jan. 1924, Portsmouth, Scioto, OH, bu. Greenlawn), s/o George SCHWEINSBERG, b. OH, & Emma ALLEN, b. KY.
Also Georg B. SCHWEINSBURG (6 Feb. 1873 - 10 Mar. 1914, Youngstown, Mahoning Co., OH, bu. Belmont Park Cem.) s/o Christian.
I thought this might connect, but I guess not.
In Pittsburgh, Allegheny, Ward 32, Precinct 3, 1880:Georg SCHWEINSBERG, 26, he & parents b. Curhessen
wf. Emielie, 22, PA, parents b. Hess Hom.
Son George, 2, PA; dau. Ema, 1, Bav.
Pittsburgh, Allegheny Co., PA, 1900, Ward 32, Prec. 3, Geo. SCHWEINSBERG, b. Dec. 1854, m. 13 y; wf. Sophia, b. Mar. 1865, had 4 ch., 3 living:Arthur, Je. 1890; Albert, Aug. 1892; & Pauline, Nov. 1897.
What clues do you have about HIN(C)KLEY?In 1860, Scioto Co., OH, Isaac & Elisabeth HINKLEY had a dau. Margaret, aged 17; in 1870, Scioto Co., Margaret was 26.