Rostom of Imereti
…Mamia IV Dadiani, Prince of Mingrelia, who had deposed King Levan of Imereti in 1590. Rostom's authority was defied, however, by his ostensible vassal George II Gurieli, prince of Guria, who employed an Ottoman force to dethrone the king in favor of Rostom's relative Bagrat IV. Rostom fled to Mingrelia, from where he…