The Bauduy family was associated with the prominent du Pont family, who immigrated to the United States from France in 1802 and established the E.I. du Pont de Nemours & Company, which manufactured gunpowder at mills on the banks of the Brandywine River just north of Wilmington, Delaware. Peter Bauduy (1769?-1833), a French refugee from Santo Domingo who was a partner of Eleuthère Irénée "E.I." du Pont (1771-1834). This collection contains correspondence of Hélène Bauduy (1806-1881), Peter Bauduy's daughter, and Alexandre Aristide Bretton de Chapelles (1799-1850), and a journal kept by Eulalia Keating (1801-1873), Bauduy's daughter-in-law.

The Lainé family was related to Peter Bauduy (1769-1833) a French refugee from Santo Domingo who was a business partner of Eleuthère Irénée "E.I." du Pont (1771-1834) of the DuPont Company. The family papers contain items from several generations and include a diary from Pierre-Francois Lainé's (1775-1846) captivity in Russia, Francois Damas Laine'ś (1823-1901) diary from his visit to France, Marie Lainé Santa Maria's (1866-1961) memoirs as a child living on a sugar plantation in Cuba, translation, and typescripts of the diaries, and genealogical information.