, a line of military commanders who governed the northwestern provinces of the caliphate (Ād̲h̲arbāyd̲j̲ān. Arrān and Armenia) in the later 3rd/9th and early 4th/10th centuries on behalf of the ʿAbbāsids.
The Sād̲j̲ids were just some of several commanders, originally from the Iranian East and Central Asia, who came westwards to serve in the early ʿAbbāsid armies. The family seems to have originated in Us̲h̲rūsana [q.v.] on the middle Syr Darya in Transoxania, the region where the Afs̲h̲īns [q.v.] were hereditary princes until at least the end of the 3rd/9th century, and w…