His father was Behram and his grandfather was Artuk Bey, an important figure of the Seljuk Empire in the 11th century.

He took part in the Seljuk expedition to Antioch which was recently lost to Crusaders, but the campaign ended in failure.

[1] In 1112, Belek captured Harput (an ancient city near to present day Elazığ in Turkey) from Mengüceks.

Next year he married Ayşe Hatun, widow of Anatolian Seljuk sultan Kilij Arslan.

[8][6] His cousin Husam al-Din Timurtash ibn Ilghazi took his dead body back to Aleppo on the next day.