Matlaccohuatl was the third Tlatoani (ruler) of Ecatepec, a Nahua altepetl.
Biography He was a successor of the tlatoani Tezozomoc, who was a son of tlatoani Chimalpopoca, ruler of Tenochtitlan.
His daughter was Teotlalco, wife of an tlatoani Moctezuma II and mother of Isabel Moctezuma.Arqueología de superficie en San Cristóbal Ecatepec, Estado de México: un estudio del desarrollo de las fuerzas productivas en el México prehispánico by Humberto Domínguez Chávez, Wilfrido Du SolierMoctezuma's children: Aztec royalty under Spanish rule, 1520-1700 by Donald E. Chipman
The successor of Matlaccohuatl in Ecatepec altepetl was Chimalpilli II.
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