Coanacochtzin was the seventh tlatoani

Tlatoani

Tlatoani is the Nahuatl term for the ruler of an altepetl, a pre-Hispanic state. The word literally means "speaker", but may be translated into English as "king". A is a female ruler, or queen regnant....

 (ruler) of Texcoco.

One of Nezahualpilli

Nezahualpilli

Nezahualpilli was ruler of the Mesoamerican city-state of Texcoco, elected by the city's nobility after the death of his father, Nezahualcoyotl, in 1472....

's sons, he succeeded to throne after the death of his half-brother Cacama in 1520.

In 1524 Hernán Cortés

Hernán Cortés

Hernán Cortés de Monroy y Pizarro, 1st Marquis of the Valley of Oaxaca was a Spanish Conquistador who led an expedition that caused the fall of the Aztec Empire and brought large portions of mainland Mexico under the rule of the King of Castile in the early 16th century...

 took Coanacochtzin and many other indigenous rulers with him on his expedition to Honduras

Honduras

Honduras is a republic in Central America. It was previously known as Spanish Honduras to differentiate it from British Honduras, which became the modern-day state of Belize...

. In 1525, at Campeche

Campeche

Campeche is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. Located in Southeast Mexico, it is bordered by the states of Yucatán to the north east, Quintana Roo to the east, and Tabasco to the south west...

, Coanacochtzin was executed along with Cuauhtemoc

Cuauhtémoc

Cuauhtémoc was the Aztec ruler of Tenochtitlan from 1520 to 1521...

, the tlatoani of Tenochtitlan.

After his death Ixtlilxochitl II

Ixtlilxochitl II

Ixtlilxochitl II was the son of Nezahualpilli, king of Texcoco. In 1516 Nezahualpilli died, and the succession was contested by two of his sons, Cacamatzin and Ixtlilxochitl...

, another of Coanacochtzin's half-brothers, was made tlatoani of Texcoco by the Spanish.