While imprisoned in Austria, this man's throne was usurped by his younger brother, John Lackland.
This ruler signed the Treaty of Messina with Tancred of Sicily. This man invaded Cyprus to rescue his betrothed, Berengaria of Navarre. While ruling as Duke of Aquitaine, this man twice revolted against his father, once with the assistance of Philip Augustus of France. This man signed a treaty with Saladin when he joined Philip and Frederick Barbarossa in leading the Third Crusade. While imprisoned in Austria, this man's throne was usurped by his younger brother, John Lackland. For 10 points, name this son of Henry II known as "the lionheart."
This ruler signed the Treaty of Messina with Tancred of Sicily.
{Richard} I [or {Richard} the {Lionhearted} before it is read; prompt on {Richard}]