Louise E. du Pont Crowninshield
Louise Evelina du Pont Crowninshield( August 3, 1877 – July 11, 1958) was an American heiress and historic preservationist, who was the great granddaughter of Eleuthère Irénée du Pont, the founder of E. I. du Pont de Nemours and Company.
Lammot du Pont II
Lammot du Pont II( October 12, 1880 – July 24, 1952) was an American businessman who was the head of the du Pont family's E. I. du Pont de Nemours and Company for 22 years.
Francis Gurney du Pont
Francis Gurney du Pont (May 27, 1850 – November 7, 1904) was the creator of smokeless gunpowder.
Du Pont served as superintendent of the Upper and Lower Hagley Yards and later as general manager of Carney's Point, New Jersey, in 1891.
His invention was assisted by cousin Pierre S. du Pont.
His son was E. Paul du Pont, founder of Du Pont Motors.
William du Pont
William du Pont( August 21, 1855 – January 20, 1928) was a member of the Delaware Du Pont family.
He was the youngest son of General Henry du Pont( 1812-1889) and Louisa Gerhard du Pont( 1816-1900).
He married twice, first in 1878 to his cousin May Lammot du Pont( 1854- 1927), the daughter of Victor du Pont( 1828- 1888) and Alice Hounsfield du Pont( 1833- 1904); William and May divorced in 1892.
In June of that year, he married Annie Rogers Zinn, the daughter of the locomotive maker Theodore Rogers( d. November 18, 1871) and Mary Andrews Rogers( d. March 11, 1918); Annie was the divorced wife of George Zinn.
William and Annie had two children, William du Pont, Jr. and Marion duPont Scott.
Charles I. du Pont
Charles Irénée du Pont( March 29, 1797 – January 31, 1869) was an American manufacturer and politician, and an early member of the prominent du Pont family business.
He was a nephew of Eleuthère Irénée du Pont, the founder of the E. I. du Pont de Nemours and Company, and a member of the Delaware General Assembly.
Daoud Soumain
Daoud Soumain( died February 2, 2008) was the Chadian Chief of Army Staff.
While Deputy Chief of Staff he was given in 2003 command of the Chadian contingent sent in the Central African Republic( CAR), which had been sent to consolidate the CAR President François Bozizé's rule as he had just risen to power.
Later promoted to Chief of Staff, he was killed in the 2008 Battle of N'Djamena during a war between rebels and the government.
Victor Marie du Pont
Victor Marie du Pont de Nemours (October 1, 1767 – January 30, 1827) was a French American diplomat, politician and businessman.
He was a member of the Delaware General Assembly, the founder of the Du Pont, Bauduy & Co., wool manufacturers, and brother of Éleuthère Irénée du Pont, the founder of the E.I. du Pont de Nemours Company.
William du Pont Jr.
William Francis du Pont Jr.( February 11, 1896 – December 31, 1965) was an English- born, American businessman and banker, and a prominent figure in the sport of Thoroughbred horse racing.
He developed and designed more than 20 racing venues, including Fair Hill at his 5,000- acre estate in Maryland.
A member of the Delaware Du Pont family, he was the son of William du Pont and Annie Rogers Zinn, and brother to Marion duPont Scott, a noted horsewoman and breeder.
Éleuthère Irénée du Pont
Éleuthère Irénée du Pont de Nemours( 24 June 1771 – 31 October 1834), known as Irénée du Pont, or E. I. du Pont, was a French- American chemist and industrialist who founded the gunpowder manufacturer E. I. du Pont de Nemours and Company.
His descendants, the du Pont family, have been one of America's richest and most prominent families since the 19th century, with generations of influential businessmen, politicians and philanthropists.
Francis Irénée du Pont
Francis Irénée du Pont( December 3, 1873 – March 16, 1942) was an American chemist, and manager at the E.I. du Pont de Nemours Company.
He was the great grandson of its founder, Eleuthère Irénée du Pont.

Question: Who died later, Daoud Soumain or William Du Pont?
Answer: Daoud Soumain