William III of Provence
William III was the count and margrave of Provence from 1014 to his death. He inherited the titles of his father Rotbold II but preceded his cousin William IV as count.
His mother was Ermengarde, later the second wife of Rudolph III of Burgundy. Wikipedia
Died: 1037
Parents: Ermengarde of Burgundy and Rotbold II, Count of Provence