Mustafa reconquered the Horde, though, in Siberia appeared another threat of Abu'l-Khayr Khan.
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According to the Tarikh-i Dost Sultan written by Ötemish Hajji in Khiva in the 1550s, Batu's ulus was officially known as the "White Horde", Orda's the "Blue Horde" and Shiban's the "Grey Horde".
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When Batu Khan sent a large Jochid delegation to Hulagu's campaign in the Middle East, it included a strong contingent under Kuli, a son of Orda.
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At the same time, the eastern lands of the Golden Horde were administered by Batu's older brother Orda, and these came to be known as the left wing.
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Batu Khan effectively founded the White Horde (or Blue Horde) upon the withdrawal from Europe in 1242 and by 1245, Sarai, the capital of the Horde had been founded on the lower Volga.
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In 1375, Urus Khan, the eighth khan of the Left wing, became a contested khan of both the Blue Horde and the White Horde.
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Orda's Ulus or more appropriately, the Left wing of the Jochid Ulus was one of the uluses within the Mongol Empire formed around 1225, after the death of Jochi when his son, Orda-Ichen (Орд эзэн, Lord Orda), inherited his father's appanage by the Jaxartes.
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However, when the Borjigin princes, who operated on the Kublai Khan's behalf in Central Asia and later rebelled, fought against each other, they appealed to Kunchi whose response is not clear.
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In Russian chronicles, the Blue Horde is described as the eastern part of the Golden Horde, which was being found in the allegiance on west, and which was being governed by the descendants of Orda Khan.
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When he died, they inherited their father's dominions as fiefs under the rule of their brothers, Batu Khan, as supreme khan and Orda Khan, who, although the elder of the two, agreed that Batu enjoyed primacy as the Khan of the Golden Horde.
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Nogai's pre-eminence was ended by the assertion of the legitimate Khan Toqta, and the Blue Horde reached the apex of its power and prosperity during the reigns of Uzbeg Khan (Öz Beg) and his son Jani Beg in the middle of the 14th century, when it intervened in the affairs of the disintegrating Ilkhanate.
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From the 1280s until 1299, the White Horde (or Blue Horde) was effectively under the control of two khans, the legitimate khans and Nogai Khan, a warlord and kingmaker, who made an alliance with the Byzantine Empire and invaded countries bordering the Blue Horde, particularly in the Balkans.