Illustration by Keith Henderson
Cacamatzin was a son of the previous king Nezahualpilli by one of his mistresses. Traditionally, the Texcocan kings were elected by the nobility from the most able of the royal family. Cacamatzin's election to the throne in 1515 was said to have been made under considerable pressure from Moctezuma II, lord of Tenochtitlán. Moctezuma II wished to lessen Texcoco's power in favor of greater centralization in Tenochtitlán.
| Tlatoani of Texcoco
- Diaz, B., 1963, The Conquest of New Spain, London: Penguin Books, ISBN 0140441239
- Miguel Leon-Portilla (1978). Trece Poetas del Mundo Azteca [Thirteen Poets of the Aztec World] (in Spanish) (2nd, 1972 ed.). Mexico City: Universidad Nacinal Autonoma de Mexico. pp. 109–125.
- León-Portilla, M. 1992, 'The Broken Spears: The Aztec Accounts of the Conquest of Mexico. Boston: Beacon Press, ISBN 978-0807055014