The following data is extracted from A History of the Pioneer Families of Missouri - Warren County.
Thomas Pratt, of Culpepper County, Virginia, married a Miss Smith, by whom he had Thomas B., Elizabeth, and Ann. His first wife died, and he was married the second time to Martha Terrell, by whom he had Jonathan, Milton W., Lucinda, Mary, and Martha. Mr. Pratt settled in Warren County in 1831, with all of his children except Thomas B., and most of them now reside in that county.
Source: A History of the Pioneer Families of Missouri - Warren County