William Kissam Vanderbilt I was an American heir, businessman, philanthropist, and horse breeder. Born into the Vanderbilt family, he managed his family's railroad investments.
Alva Erskine Smith, first wife of William Kissam Vanderbilt
Anne (née Harriman) Sands Rutherfurd, the second wife of William Kissam Vanderbilt, ca. 1915
William K. Vanderbilt House on Fifth Avenue, New York City