In the book's own words, not ours, with obvious scanning errors fixed. Families often supplied these stories to the publisher, so check key dates.
Born 1817
From History of Stark County, with an outline sketch of Ohio (1881)
JACOB OBERLIN, farmer; P. O. Mc- Donaldsville; was born in Lancaster Co., Pa., Nov. 4, 1817; is the son of Jacob and Elizabeth (Runk) Oberlin, who were natives of Iancaster Co., Pa., and removed to Stark Co., Ohio, in 1826, and settled in Jackson Tp. Father died in about 1850 and mother in 1872. Jacob Oberlin, the subject, has been a resident of the county and township since 1826. In 1845 he married Elizabeth Lutz, daughter of Samuel and Elizabeth (Arnold) Lutz. Mrs. Oberlin was born in Stark Co., Ohio, in 1823. Mr. Oberlin has five children — Isaac, Sarah J., wife of John Real; Mary A., wife of M. Slate; Elizabeth A., and Catharine A. Mr. Oberlin and wife are members of the Reformed Church, and he is a staunch Republican.
As printed in History of Stark County, with an outline sketch of Ohio (1881). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
Their biographies name Jacob Oberlin: Isaac Welty (b. 1820)
The printed record stops around 1881. We trace your line from there down to you, with every source cited.