The following data is extracted from A History of the Pioneer Families of Missouri - Montgomery County.
Peter Nunnelly was a "bound boy" to a horse doctor and jockey, and was with Lord Cornwallis' army at Yorktown, when it was captured. After the war he settled in America, and was married twice; first to Elizabeth Smart, by whom he had Peter, Jr., Absalom, Benjamin, Gillum, Buckner, Littleberry, James, Ephraim, Mildred, Martha, and Judith. Ephraim married Elizabeth Williams, and his son Ephraim married Eveline Scholl, and lives in Callaway County. His children were James, Anderson, Daniel, John, Lucy, Mary H., Elizabeth, Sarah L., and Susan A. James is a bachelor, and lives in Montgomery County. Anderson married Violet Patton, and lived and died in Montgomery County. Daniel married Catharine Lee. John and Lucy died young. Mary H. married John McMahan. Elizabeth married Granville Nunnelly, her cousin. Sarah L. married Benjamin F. Leavell. Susan A. married Granville L. Gregory.
Source: A History of the Pioneer Families of Missouri - Montgomery County