Beatrice of Navarre, was Duchess of Burgundy, by marriage to Hugh IV, Duke of Burgundy. She was a daughter of Theobald I of Navarre and his third wife Margaret of Bourbon. Her siblings included Theoba

Theobald I, also called the Troubadour and the Posthumous, was Count of Champagne from birth and King of Navarre from 1234. He initiated the Barons' Crusade, was famous as a trouvère, and was the firs