Analysis of information sources in references of the Wikipedia article "Ильдегизиды" in Russian language version.
ATĀBAKĀN-E ĀḎARBĀYJĀN, an influential family of military slave origin, also called Ildegozids, ruled parts of Arrān and Azerbaijan from about 530/1135-36 to 622/1225; as «Great Atābaks» (atābakān-e aʿẓam) of the Saljuq sultans of Persian Iraq (western Iran), they effectively controlled the sultans from 555/1160 to 587/1181; in their third phase they were again local rulers in Arrān and Azerbaijan until the territories which had not already been lost to the Georgians, were seized by Jalāl-al-dīn Ḵᵛārazmšāh in 622/1225.
ATĀBAKĀN-E ĀḎARBĀYJĀN, an influential family of military slave origin, also called Ildegozids, ruled parts of Arrān and Azerbaijan from about 530/1135-36 to 622/1225; as «Great Atābaks» (atābakān-e aʿẓam) of the Saljuq sultans of Persian Iraq (western Iran), they effectively controlled the sultans from 555/1160 to 587/1181; in their third phase they were again local rulers in Arrān and Azerbaijan until the territories which had not already been lost to the Georgians, were seized by Jalāl-al-dīn Ḵᵛārazmšāh in 622/1225.