Hasan Buzurg

Shaikh Hasan, called "Buzurg" ("The Great"), was the first of several de facto independent Jalayirid rulers of Iraq and central Iran. He was the son of Husain and Öljetey.

Hasan Buzurg was married to Bagdad Katun the daughter of Amir Chupan. Chupan later became the most influential person at the court of Abu Sa'id Mirza. However, the Ilkhan soon became enamored with Bagdad Katun, and sought to have her divorce Hasan Buzurg. Chupan sent the two of them to Qarabagh in an attempt to rid Bagdad Katun from Abu Sa'id's mind, but the effort failed, and Bagdad Katun was forced to marry the Ilkhan. After the murder of Coban in 1327, Baghdad Khatun and the Grand Vizier Ghiyas al-Din ibn Rashid al-Din competed for influence over Abu Sa'id. Ghiyas al-Din spread a rumor that Baghdad Khatun and Hasan Buzurg were plotting against the Ilkhan; Hasan Buzurg was arrested in 1332. His mother convinced the Ilkhan to spare his life, and he was imprisoned in the castle of Kemah. In 1333, however, he was cleared and was sent to become governor of Rûm. During Abu Sa'id's lifetime, Hasan Buzurg was also called upon by Ghiyas al-Din to help stop rampant tax abuses in eastern Iran.

Following the death of Abu Sa'id, several parties competed for the Ilkhanid throne. In 1336 Hasan Buzurg saw his chance and raised a child, Muhammad Khan, to claim the position. On July 24 Hasan Buzurg and Muhammed met the forces of Musa Khan and 'Ali Padshah in the Ala-Tagh area; Musa was defeated and 'Ali Padshah killed. Hasan Buzurg pursued Musa on his way to Baghdad and created many losses for his enemy. He then proceeded to Tabriz, where he married the granddaughter of Coban and the wife of Abu Sa'id, Dilshad Khatun, who was pregnant with Abu Sa'id's daughter. Meanwhile, the amirs in Khurasan adopted their own candidate for Ilkhan, Togha Temür. Togha set off in 1337 to subdue western Persia. Azarbaijan and 'Iraq-i 'Ajam were taken. In March he arrived before Sultaniyeh, the former capital of the Ilkhans, and Hasan Buzurg withdrew to Caucasian Albania. Musa's forces, initially battling Togha's, now joined the invader. Togha and Musa met Hasan Buzurg at Soghurlug in the Maragheh area on June 15; Hasan defeated them, took Musa prisoner shortly after, and executed him. Togha gave up the campaign and withdrew to eastern Persia.

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