 Complete the following phrase:  After pillaging the County of Edessa, Ilghazi made peace with the crusaders. In 1121, he went north towards Armenia and with an estimated 15.000-20.000 troops, including men led by his son-in-law Mazyad Dubais II ibn Sadaqah and Sultan Malik of Ganja. Ilghazi invaded Georgia and was defeated by David IV of Georgia at the 