File:Irénée du Pont.jpg

English American businessman Irénée du Pont

Charles Irénée du Pont http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=91294282

Eleuthère Irénée du Pont source: http://www.accessible.com/amcnty/images/DE/191.jpg archive copy at the Wayback Machine , http://www.accessible

English Francis Irénée du Pont (1873–1942) circa 1900

English Dr. Alexis Irénée du Pont Jr. (1843–1904) in 1890