head of the house, he was present at the enthronement ceremony of Ögedei on 13 September 1229 and supported his reign. Ögedei in his turn sent Güyük as Chagatai's ward. Although Rashidaddin claimed that Chagatai died shortly before Ögedei, Juvayni told of further activities of Chagatai, such as strong support to regency of Töregene. However, he soon died. Administration His known viziers include Vajir, Baha al-Din Marghinani and Habash Amid. Vajir was described as Turkish, Uyghur and Khitan by different authors. He was employed by Qushuq Noyan from Jalayir tribe to court of Chagatai. Having written a book about history of Mongol Empire, he was regarded highly by Chagatai. He even let him to execute one of his daughters-in-law in charges of adultery. After Chagatai's death, Vajir was executed for treason alongside Chagatai's physician Majd al-Din, since his widow Yesülün charged them with poisoning of Chagatai. Habash Amid was a Muslim Khwarazmian from Otrar and a secretary originally. He was assigned to Chagatai in 1218 and survived the purge thanks to his support for Qara Hülegü. Baha al-Din Marghinani also survived Chagatai, being a friend of his son Yesü Möngke although he was purged later. Family Chagatai had two principal wives along other wives and concubines: Yesülün Khatun — daughter of Qata Noyan of Khongirads (cousin of Börte) Mutukan — killed during siege of Bamyan in 1221 Baiju Büri (d. 1252) — a commander in Mongol invasion of Europe Yesünto'a Qara Hülegü (b. before 1221) — khan (1242-1246; 1252) Belgeshi (c.1209 - c.1222) — died shortly after Mutukan Yesü Möngke — khan (1246–1252) Tögen Khatun — sister of Yesülün Khatun Sevinch Khatun — daughter of Buraq Hajib Ebuskun — only attested in Mirza Muhammad Haidar Dughlat's Tarikh-i-Rashidi, probably same as Yesülün Children by concubines Mochi Yebe — eldest son, wasn't given high regard by Chagatai, son-in-law of Batu Khan, controlled territory on the left bank of the Dnieper Tekuder — Ilkhanate commander in Georgia Ahmad — a commander under Baraq Tekshi — he had a son called Tabudughar and grandson: Toghan, Hoqolqu, Qoriqtai and Qutluq-Temür. Nom-Quli Bük-Buqa Temüder Qotan Cheche Chichektü — had sons: Shadban and Qushman Ishal — had sons: Qan Buqa and Uladai Toghan — had sons: Qoriqtai, Bük-Buqa, Nom-Quli Sarban Qushiqi — Commander in Mongol conquest of Song China Negübei — khan (1271-1272) Baidar — A commander in Mongol invasion of Europe Alghu — khan (1260-1265) Baiju