Sâhib Ata

Fakhr al-Din Ali, known as Sâhib Ata, was grand vizier of the Seljuk Sultanate of Rum. First recorded in 1249 as amir-i dad, the chief justiciar, he held the regency in 1258 when Kaykawus II joined the Ilkhanid campaign against Baghdad, received the title sahib in 1260, and became grand vizier in 1261.

After the Mongols executed Mu'in al-Din Parwana in 1277, he was the dominant ruler of the sultanate. His sons Husayn and Hasan founded the Sahip Ataid principality. A great architectural patron, he died in 1288 after returning ill from the Ilkhanid court at Tabriz.