Tutush I
Abu Said Aq Sunqur al-Hajib (also "Qasim ad-Dawla " or "Aksungur al-Hajib") was the Seljuk governor of Aleppo under Sultan Malik Shah I. He was considered the "de facto" ruler of most of Syria from 1087. He was beheaded in 1094 following accusations of treason by Tutush I, the ruler of Damascus.