Eleuthère Irénée du Pont (1771-1834), founder of E. I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828) had three sons: Alfred Victor du Pont (1798-1856), Henry du Pont (1812-1889), and Alexis I. du Pont (1816-1857). All three were partners in their father's company. This collection contains the papers of Alfred Victor du Pont, Henry du Pont, and Alexis I. du Pont, as well as those of their wives: Margaretta Elizabeth Lammot du Pont, Louisa Gerhard du Pont, and Joanna Maria Smith du Pont. The papers of Henry du Pont are the largest component, and reflect his business and military activities. Certain papers of each son relate to the affairs of E. I. du Pont de Nemours & Co.

Elliott, Johnson & Co. was a well-known banking and brokerage firm of Wilmington, Delaware, in the late nineteenth century. Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection consists of two letters from Elliott, Johnson & Co. regarding the purchase of bonds in two Florida railroads, the Sanford & Lake Eustis Railroad Company and the Jacksonville, Tampa & Key West Railway Company.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection contains two photocopied letters to du Pont, one from his nephew, James Irenee Bidermann (1817-1890), and the other letter from his sister, Sophie Madeleine du Pont (1810-1888).

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In the letter to James C. Aiken (1806-1884), du Pont agrees to sign a letter of recommendation for a political appointment to president-elect Grant (1822-1885).

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In 1854, du Pont wrote a letter to Senator John M. Clayton (1796-1856), requesting assistance in securing an appointment for his son, Henry A. du Pont (1838-1926), to the United States Military Academy at West Point.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection is comprised of photocopied of typescript copies of letters of du Pont to and from his family.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The collection consists of photocopied letters from Henry du Pont (1812-1889) and typescript of Pierre Samuel du Pont de Nemours (1739-1817) autobiography he wrote in 1792. The letters are from sisters Eleuthera du Pont Smith (1806-1876) and Sophie Madeleine du Pont (1810-1888), as well as William Tecumseh Sherman (1820-1891) and M. Saito of the Japanese Navy.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). In the year before he died, du Pont released a mortgage he held to Anna B. Stidham (1854-1918) for land in New Castle County, Delaware.

Henry du Pont (1812-1889) was an American military officer and son of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Co., and Sophie Madeleine Dalmas du Pont (1775-1828). The papers relating to du Pont's enrollment and time at the U.S. Military Academy at West Point, including letters from Callender Irvine (1775-1841), Peter B. Porter (1773-1844), E.I. du Pont (1881-1834); du Pont's obituary as published in the 1890 annual reunion of the Association of Graduates Office at the Academy; and a roster of the West Point class of 1833.