the first ruler of Tlatelolco (see the Florentine Codex); father of Tlacateozin, who also ruled in Tlatelolco, and this young man married Quaquapitzahuac's sister, Xiuhcanahualtzin (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, 110–111.