the next heretian ruler, john (ioane senekerim, 951–959), during his reign kingdom of hereti reached a climax of power and prestige, mainly after annexation of right bank of caucasian albania. armenian historian movses kaghankatvatsi calls him "restorer of the kingdom of albania". later he annexed parts of kakheti and adopted the title of "king of the tsanars". john had a good relations towards the representatives of the sallaried dynasty and with david iii kuropalates of tao. like his father and his grandmother queen dinar, he contributed a lot to the conversion of his kingdom. he died in 959 without heir.