Henry the Fat was King of Navarre and Count of Champagne and Brie from 1270 until his death.

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 first Frenchman to rule Navarre.