Tenochtzin.

the tenth ruler of the Mexica (counting from when they were in Aztlan), and the one who led them until they arrived in Tenochtitlan

Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 144–5.