Yesünto'a (fl. 13th c.) was the third son of Mutukan, and grandson of Chagatai, founder of the Chagatai Khanate. His brothers were Yesü Möngke and Baidar. His nephew Alghu son of Baidar and his brother Yesu Mongke, both were the Khans of the Chagatai Khanate.
He was the father of Qara Hülëgü, the Chagatai khan (1242-1246, 1252) and Baraq, the Chagatai Khan (1266–1271).
Genealogy of Chaghatai Khanates
In Babar Nama written by Babur, Page 19, Chapter 1; described genealogy of his maternal grandfather Yunas Khan as:
"Yunas Khan descended from Chaghatai Khan, the secondson of Chingiz Khan (as follows,) Yunas Khan, son of WaisKhan, son of Sher-'ali Aughlon, son of Muhammad Khan, sonof Khizr Khwaja Khan, son of Tughluq-timur Khan, son ofAisan-bugha Khan, son of Dawa Khan, son of Baraq Khan,son of Yesuntawa Khan, son of Muatukan, son of ChaghataiKhan, son of Chingiz Khan."[1]
Genealogy of Abdul Karim Khan
according to Tarikh-i-Rashidi of Mirza Muhammad Haidar Dughlat[2]
"Chughtai Khanates" A research project by Dr Abdul Rauf Mughal