Otrok, known in Georgia as Atraka, son of Sharagan (i.e., Sharukan), after the victories of the Rus' Grand Prince Vladimir II Monomakh in 1109, fled to Georgia with some 40,000 followers, received baptism and entered the service of the Georgian king David IV (c. 1118). The Georgian-Kipchak alliance was facilitated by David's earlier marriage to the "khan"s daughter who received the name Gurandukht (her original Turkic name is unknown). Otrok's Kipchaks helped David against the Seljuk Turks and contributed to the Georgian victory at Didgori in 1121. Otrok's 40,000 Cumans helped make Georgia the most powerful kingdom in the region.