Tzihuacxochitl.

Headword: 
Tzihuacxochitl.
Principal English Translation: 

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.

Orthographic Variants: 
Tzihuacxochitzin
Attestations from sources in English: 

Auh ynin omoteneuh tlacatl Tlilpotoncatzin cihuacohuatl, oquichiuh ce ychpochtzin ytoca tzihuacxochitzin ynin quihuallan quimocihuahuati yn tlacatl huey tlahtohuani xocoyotl Moteuhcçoma oncan oquinchiuhq̄. omotlacatillique omentin ymichpochhuan ynic ce ytoca Doña leonor de Motecçuma, ynic ome ytoca Doña Maria de Motecçuma ynin çan moch miquilli acampa monamictihtiuh. = And this said lord Tlilpotoncatzin cihuacoatl begot a daughter named Tzihuacxochitzin. The lord and great ruler Moteucçoma Xocoyotl took and married her, whence they begot and there were born two daughters. The first was named doña Leonor de Motecçuma [sic], the second was named doña María de Motecçuma. This [latter] died young; she never married. (central Mexico, early 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.