Coatl Ichan.

Headword: 
Coatl Ichan.
Principal English Translation: 

the place of an important ruling house in pre-Columbian times; its lineage head was Huehue Acolmiztli Chichimecatl; succeeding rulers were Tetzauhcoatl and then his son, Tzompantzin, and then Acolmiztli

(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, 110–113.

Orthographic Variants: 
Coatl Ychan, Cohuatl Ychan
Attestations from sources in English: 

auh ynic tomaloc ōpa coyohuacā ylpiticatca Cohuanacotzin amo yteo[cuitl] amo no yn tetzcuca. Xaquitzin cohuatl ichā tlatoani yteocuitl. = And for this reason was Coanacochtzin, who had been confined in Coyoacan, released: it was not his gold, nor the Texcoca's; it was Xaquitzin's gold- he was ruler of Coatl Ichan. (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, 190–191.

Auh ynin tlahcateotzin tlahtohuani tlatilolco conitlan yn xiuhtomiyauhtzin huel icaliticcihuauh quichiuh ye omito ynin cihuapilli ychpochtzin yn aculmiztli tlahtohuani cohuatl ychan = And this Tlacateotzin, ruler of Tlatelolco, asked for Xiuhtomiyauhtzin; he indeed made her the [leading] woman of his house. It has already been said that this noblewoman was a daughter of Acolmiztli, ruler of Coatl Ichan. (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, 112–113.

huehue Aculmiztli chichimecatl teuhctlato ynteyacancauh catca yn aculhuaque. yn cuhuatl ychan tlaca. auh yehuatl in quauhtzonyotl mochihuaco yn tlahtocatlacamecayotica yn vmpa cohuatl ychan. = Huehue Acolmiztli Chichimecatl was [then] a subordinate ruler and leader of the Acolhuaque and people of Coatl Ichan. And he became the lineage [head] of the line of rulers of Coatl Ichan. (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, 110–111.