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In page Börte:

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Soon after her marriage to Temüjin was made official, the Burgi Escarpment was attacked by the Three Merkit, who were a confederation of three tribes inhabiting the basin of the Selenga and Orkhon Rivers. Temüjin and his family were able to escape on horses, but there were no horses left for Börte. A servant at the camp tried to hide Börte in an old cart, which he harnessed to an ox to try to escape upstream with her. The cart eventually broke and when the servant tried to keep moving Börte on foot, they were surrounded by soldiers who discovered her within the cart.[1] The Three Merkit believed their raid victorious as they had planned it in retaliation for the abduction of Hö'elün, Temüjin's mother, from their people many years before.[citation needed]