Henry purchased the property for his son, Henry Algernon du Pont.
Īfter Bidermann's death, the property passed to his son, James Irénée, who then sold it to his uncle, Henry du Pont. The Bidermanns also added expansive gardens, livestock, and pastures. Between 18, the couple built a twelve-room Greek revival manor house on the property and named their estate Winterthur after Bidermann's ancestral home in Winterthur, Switzerland. I.'s business partner from France, Jacques Antoine Bidermann (1790–1865), and his wife Evelina Gabrielle du Pont (1796–1863) for the purpose of establishing their estate. I du Pont's heirs sold 445 acres of the land to E. du Pont) between 18 and was used for farming and sheep-raising. The property where Winterthur sits was purchased by Éleuthère Irénée du Point (E. The museum and estate were the home of Henry Francis du Pont (1880–1969), Winterthur's founder and a prominent antiques collector and horticulturist. Winterthur houses one of the richest collections of Americana in the United States. Winterthur Museum, Garden and Library is an American estate and museum in Winterthur, Delaware.