daughter of the lord Tlilpotoncatzin (a.k.a. Tlilpotonqui) and a wife to Moteuczoma Xocoyotl; she was also the mother of two daughters, doña Leonor de Moteczuma and doña María de Moteczuma (spelling change seems intentional with these daughters' last names)
another Tzihuacxochitzin was a noblewoman who was the daughter of a noble dignitary in Quauhtepec Malinalco named Huitzilaztatzin; this Tzihuacxochitzin had ten children with Huehue Tezozomoctli (Epcoatzin, Icel Azcatl, Itzpapalocihuatl (female), Aculnahuacatl Tzaqualcatl, Tlacochcuecihuatl, Chichilocuili, Maxtlatzin, Xaltemoctzin, Xiuhcanahualtzin, and Quaquapitzahuac; and her son Xaltemoctzin or Ceahuatzin had a daughter that he named for this Tzihuacxochitzin
(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, 108–109, 110–111.