His grandson, Lammot du Pont I (1831–1884), was the first president of the United States Gunpowder Trade Association, popularly known as the Powder Trust.
Pont-Aven | Pont-à-Mousson | Joinville-le-Pont | Charenton-le-Pont | Pont-Audemer | Pont du Gard | Pont-l'Évêque, Calvados | Du Pont family | Pont-de-Vaux | Pont-l'Évêque | Le Pont-de-Montvert | Pont Neuf | Pierre S. du Pont | Lammot du Pont Copeland | Rafael Pont Flores | Pont-sur-Yonne | Pont-l’Évêque | Pont de Sèvres | Pont de Saint-Cloud | pont de l'Alma | Pont d'Austerlitz | Pont d'Aël | Pierre S. du Pont IV | Marisara Pont Marchese | Ian Pont | Henry Francis du Pont | Henri-Irénée Marrou | François Gravé Du Pont | Allaire du Pont Breeders' Cup Distaff | The Skirmisher by Auguste Arnaud at the '''Redoute de Gravelle'''. The statue was taken from the Pont de l'Alma |
They had two sons who survived to adulthood, including Éleuthère Irénée du Pont, the founder of E.I. duPont de Nemours and Company in the United States.
The museum was named for the city of Winterthur (in Switzerland), the ancestral home of Jacques Antoine Bidermann, a son-in-law of Eleuthère Irénée du Pont, the founder of the du Pont family and fortune in the United States.