Tezcatl Popocatzin.

a son of Tizocicatzin (ruler of Tenochtitlan); father of don Diego de San Francisco Tehuetzquititzin; there was another man with this name born to don Diego, taking his grandfather's name (all according to Chimalpahin); such a genealogy links pre-contact with Spanish colonial times (central Mexico, seventeenth century)
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 2, 96–97, 98–99.