William I (1020 – 12 November 1087), called the Great (le Grand or Tête Hardie, "the Stubborn"), was Count of Burgundy from 1057 to 1087 and Mâcon from 1078 to 1087.
[1] William was the father of several notable children, including Pope Callixtus II.
In 1057, William succeeded his father and reigned over a territory larger than that of the Franche-Comté itself.
He was buried in Besançon's Cathedral of St John.
William married a woman named Stephanie [fr] (a.k.a.