a noblewoman of Tlatelolco who married Ahuitzotl, a ruler of Tenochtitlan; her father was Epcoatzin, who was a lord of Tlatelolco; Tecapantzin was also the mother of Cuauhtemoc, who ruled both Tenochtitlan and Tlatelolco
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, 78–79.