This marriage listed on page 55 of Early Marriage Bonds of Ohio, Book 1 A through E, as Jacob Nehr to Elizabeth Brubaker. It cites the original record as being in Book 3, 1846-1853, page 213.
Letter from Hannah Heck to Christian E. Frantz (#1644) and his wife Mary (Heckman) (#1928), dated June 23, 1850, includes text "Elizabeth Brewbaker and mary nears Jacob was married two weeks ago today."