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The family of de Lusignan revolted against this man after he wed Isabella of Angouleme ["den-goo-lem"]. This king fought against his nephew Arthur in the Battle of Mirebeau, along with a man with whom he signed the Treaty of Le Goulet, Phillip II Augustus. Sometimes called "Softsword," this king lost control of (*) Normandy after his allies lost the Battle of Bouvines. This king fought the First Barons' War after refusing to abide by an agreement that he signed at Runnymede in 1215 with some nobles. For 10 points, name this king also called "Lackland" who limited his power by signing the Magna Carta.
The family of de Lusignan revolted against this man after he
John Lackland [do not accept or prompt on "John I"]