The Sverre dynasty was a royal family that ruled Norway during the late 12th and early 13th centuries. Founded by Sverre Sigurdsson, the dynasty emerged from a civil war period known as the Birkebeiner conflict. Sverre claimed the throne based on his descent from the ancient Norwegian kings, and his reign marked significant political and military developments in Norway. The dynasty is notable for its efforts to consolidate power and strengthen the monarchy. Under the leadership of Sverre and his successors, the Sverre dynasty faced challenges from rival factions, including the Bagler party. Ultimately, the dynasty's influence waned, leading to its decline by the mid-13th century.