From Wayne County, Iowa History, Page 378;

Betsy A. Caldwell or Betsey?

Sister of Levi, Nicholas, and James Caldwell. Married to William Chadwick of section 5, Clay Township, who was born in Lewis County, New York, January 12, 1824, a son of Luther Chadwick who was a native of Windham County, Vermont. In 1831 his parnets moved to Canada West and settled about forty-five miles north of Toronto, but in May 1838, returned to New York and settled in Erie County, near Buffalo, and thence the following January moved to Erie COunty, Pennsylvania, and in 1844 to Berrien County, Michigan.

In 1855 William Chadwick came to Iowa and settled in Richman Township, Wayne County, removing to Benton Township in the spring of 1868. He was married January 19, 1851 to Betsey A. Caldwell, a daughter of John Caldwell. Two children were born to them: but one is living (at time of publication) - Olive E., who married Cornelius D. Simons, of Berrien County, Michigan, and has one child, Allen. Mrs. Chadwick died: October 22, 1854, and October 23, 1855, he married Nancy M., daughter of B. (Britt) R. Fisher. They have had six children, but three of them who are living, Charles Fremont, Alice C. and Royal B. Charles married Josephine Collier and has two children - Florence and Alice E.