Yaghi-Siyan

Yaghi Siyan - († June 3, 1098 ) was governor of Antioch during the First Crusade.

He was a Turkish slave of the Seljuk Sultan Malik Shah I, who conquered Antioch, Yaghi - Siyan 1085 about 1088 started there as governor.

1097-98 was the siege of Antioch. He called this his son- Radwan to help. On June 3, 1098 Antioch fell by treachery and Yaghi Siyan - died on the run.