This collection of family correspondence encompasses several generations of the du Pont, Kemble, and de Forest families. Victorine du Pont (1825-1887), the eldest child of Alfred Victor du Pont (1798-1856), senior partner in E.I. du Pont de Nemours & Company, and Margaretta Elizabeth (Lammot) du Pont (1807-1898), married Peter Kemble (1825-1887), son of William Kemble the company's New York business agent. One of their daughters, Meta Kemble (1852-1933), married New York artist Lockwood de Forest (1850-1932).

Margaretta Lammot du Pont (1807-1898) was the wife of Alfred Victor du Pont (1798-1856), who worked for E.I. du Pont de Nemours & Co. In 1885, she sent a letter to Meta Kemble de Forest (1852-1933) which indicates she is sending book from "Aunt Sophie" [Sophie Madeleine du Pont (1810-1888)].