Chupan was ennobled by Emperor Taiding of Yuan as Duke of Yi.
21 Facts About Chupan
Chupan's grandfather was Tudaun from the Suldus clan and was directly descended from Chilaun, who was one of Genghis Khan's four great companions.
Chupan participated in a battle against Nogai of Golden Horde in 1289 during his 20s.
Amir Chupan was mentioned as a supporter of Gaykhatu during the latter's successful campaign for the Ilkhanid throne.
Chupan participated in a campaign against Sulaimish of Oirats, who rebelled in Anatolia in 1299.
Chupan acted as a senior commander during Ghazan's three campaigns against Syria, then under the rule of the Mamelukes.
Chupan was now a major influence behind the throne, though he had to contend with the court viziers.
Chupan was on his way to assist Amir Husain against the raids of the Chagatai prince Yasa'ur, who was devastating Khurasan, but then turned around to support Abu Sa'id upon receiving word that the latter's position across the Kur River was in danger.
Chupan rushed to his master's position, only to find the troops of the Blue Horde already in flight.
The conspirators included Abu Sa'id's uncle Irinjin, who Chupan had dismissed from the governorship of Diyarbakr.
Chupan married Abu Sa'id's sister Sati Beg, whom he had been betrothed to since 1316.
Chupan went to obtain his surrender personally and even managed to get reappointment to the post by Abu Sa'id.
Early in 1326, Chupan led an army to defend against an imminent invasion of Khurasan.
The vizier Rukn al-Din Sa'in had traveled with Chupan, leaving Demasq Kaja in effective control at the Ilkhanid court.
Chupan then traveled in the direction of Tabas, with the intention of finding refuge in Transoxiana.
Chupan was given a friendly welcome into Herat by the local Kartid ruler, Ghiyath ud-Din.
Many of Chupan's sons were to die in the next few years.
In compensation, Hasan was awarded former post of Chupan, rising to be new commander-in-chief of Ilkhanid army.
Chupan was buried in Medina, in the cemetery of Baqi, under the supervision of his daughter Bagdad Katun.
Chupan was described as a devout Muslim who was against among emirs who opposed Oljeitu's conversion to Shiism.
Chupan named at least two of his sons after his ancestors Chilaun and Sorgan Shira:.