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 1825, Brimfield Township
From History of Portage County, Ohio (1885)
CONSTANT H. CHAPMAN, farmer, P. O. Brimfield, was born February 24, 1825, in Brimfield Township, this county; son of Joseph G. and Elizabeth (Boszor) Chapman, who had a family of five children: Constant H., Mary (wife of Stephen Webster), Leory M., Thurot K., Electa E. (wife of George W. Bow). Joseph G. Chapman was a native of Connecticut and settled in Brimfield Township, this county, in 1820, clearing and improving the farm now owned by his daughter, Mrs. Stephen Webster, where he lived and died. Our subject's paternal grandfather was Constant Chapman, a native of Westbrook, Conn., who settled in Brimfield Township, this county, in 1821; his maternal grandfather, Henry Boszor, a native of Maryland, settled in Brimfield Township in 1816. Our subject has always lived in Brimfield, with the exception of two years that he resided in Illinois. He has been twice married. By his first wife, Permelia, daughter of Lybia and Julia (Minard) Underwood, of this township, he had one child — Morris S. On June 28, 1863, he married his present wife, Elizabeth, daughter of John and Jane (McCloughan) Warner, of Suffield, this county, by whom he has two children — Nellie and Edd. Mr. Chapman has owned several farms in Brimfield Township, and has made many improvements on them. He served the township as Justice of the Peace for fifteen years; in politics he is a Democrat.
As printed in History of Portage County, Ohio (1885). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1885. We trace your line from there down to you, with every source cited.