Joan of Bar was niece to a a King of England but in which year did he gain this title?
Joan of Bar, Countess of Surrey Joan of Bar (died in 1361, London) was a daughter of Henry III, Count of Bar and Princess Eleanor of England, and niece of Edward II of England. She was unhappily married to John de Warenne, 7th Earl of Surrey. In 1345, Joan became the regent of Bar for her great-nephew Robert.
William II of England William II (Old Norman: "Williame"; c. 1056  – 2 August 1100), the third son of William I of England, was King of England from 1087 until 1100, with powers over Normandy, and influence in Scotland. He was less successful in extending control into Wales. William is commonly known as William Rufus or William the Red, perhaps because of his red-faced appearance.