The du Pont family (English: /duːˈpɒnt/) or Du Pont family is a prominent American family descended from Pierre Samuel du Pont de Nemours (1739–1817). It has been one of the richest families in the United States since the mid-19th century, when it founded its fortune in the gunpowder business. In the late 19th and early 20th centuries, it expanded its wealth through the chemical industry and the automotive industry,with substantial interests in the DuPont company, General Motors, and various other corporations.
https://en.wikipedia.org/wiki/Du_Pont_family
デュポン家
デュポン家(Du Pont family)は、フランス革命でアメリカに亡命したフランスの思想家、ピエール=サミュエル・デュ・ポン・ド・ヌムールを家祖に持つアメリカの名門一族。19世紀以来、アメリカで最も豊かな家族(en:List of wealthiest families)の一つに数えられている
https://ja.wikipedia.org/wiki/%E3%83%87%E3%83%A5%E3%83%9D%E3%83%B3%E5%AE%B6