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 1832, Champaign county
From History of Johnson County, Iowa, containing a history of the county, and its townships, cities and villages from 1836 to 1882. Together with biographical sketches .. (1883)
WILLIAM T. SWEET, farmer, post-office, Lone Tree; was born in Champaign county, Ohio, March 29, 1832, and is a son of David and Lydia Sweet, who came to Johnson county in 1838. Here the subject of our sketch spent his boyhood days, and in 1852 he and Thomas Miller went to California, driving an ox team, they being six months on the road. He remained there seventeen years, and followed mining and farming, freighting, etc. In 1869 he returned to Johnson county, where he has since resided, and now owns 160 acres of land. He was married May 25, 1875, to Miss Mary E. Hillhouse, a native of Illinois, she being a daughter of John C. Hillhouse. They have four children: David, born April 2, 1876; William C, born February 5, 1878; Louisa A., born June 5, 1880, and Joshua F., born May 5, 1882. Mr. Sweet is a member of the A. F. & A. M. No. 4, Iowa City, also of the A. O. U. W
As printed in History of Johnson County, Iowa, containing a history of the county, and its townships, cities and villages from 1836 to 1882. Together with biographical sketches .. (1883). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1883. We trace your line from there down to you, with every source cited.