William Kissam Vanderbilt I was an American heir, businessman, philanthropist and horsebreeder. Born into the Vanderbilt family, he managed his family's railroad investments. Wikipedia
Born: December 12, 1849, New Dorp, New York, NY
Died: July 22, 1920 (age 70 years), Paris, France
Spouse: Anne Harriman (m. 1903) and Alva Belmont (m. 1875–1895)
Great grandchildren: John Spencer-Churchill, 11th Duke of Marlborough, Iris Ada Smith, Lady Rosemary Mildred Spencer-Churchill, and more
Siblings: Cornelius Vanderbilt II and George Washington Vanderbilt II
Grandchildren: Lord Ivor Spencer-Churchill, John Spencer-Churchill, 10th Duke of Marlborough, Muriel Vanderbilt, and more
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