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 The History of Clark County Ohio, (1881)
HENRY NAWMAN (deceased); born July 16, 1817; a native of this county and township; is a son of Thomas and Catharine Nawman, whose family history appears in full in sketch of Samuel Nawman, in this work. Mr. Nawman resided with his father till his death. Was married March 29, 1856, to Miss Ingebee Jane, daughter of William and Matilda (Clark) Rhonemus; he is a native of Clinton Co., Ohio, and she of Virginia. The grandfather Clark was a native of England, and his wife of Germany. Mr. Nawman and wife have had twelve children; ten now survive —Clara, Samuel G., Thomas, William, Webster, Catharine, Matilda, Amanda, Andrew and Henry; deceased—Louisa and Mary. Mr. Nawman and wife took care of his parents till their death, and after their death remained upon and carried on the farm till his death. He died June 24, 1870, aged about 53 years. Mrs. Nawman and family still reside upon the home place, and with her sons carry on the farm.
As printed in The History of Clark County Ohio, (1881). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1881. We trace your line from there down to you, with every source cited.