Gog and Magog
In fact, Gog and Magog were held by the Mongol to be their ancestors, at least by some segment of the population. As traveler and Friar Riccoldo da Monte di Croce put it in c. 1291, "They say themselves that they are descended from Gog and Magog: and on this account they are called "Mogoli", as if from a corruption of "Magogoli"". Marco Polo, traveling when the initial terror had subsided, places Gog and Magog among the Tartars in Tenduc, but then claims that the names Gog and Magog are translations of the place-names Ung and Mungul, inhabited by the Ung and Mongols respectively.