Tlacateotl (died 1426) was the second ruler of the Aztec

Aztec

The Aztec people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica in the 14th, 15th and 16th centuries, a period referred to as the late post-classic period in Mesoamerican chronology.Aztec is the...

 city of Tlatelolco

Tlatelolco (altepetl)

Tlatelolco was a pre-Columbian Nahua altepetl in the Valley of Mexico. Its inhabitants were known as Tlatelolca. The Tlatelolca were a part of the Mexica ethnic group, a Nahuatl speaking people who arrived in what is now central Mexico in the 13th century...

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Family

He succeeded his father, Quaquapitzahuac

Quaquapitzahuac

Quaquapitzahuac was the first ruler of the Aztec city of Tlatelolco. His name, which means "Slender Horn", was pronounced in Classical Nahuatl, and is also spelled Cuacuauhpitzahuac, Cuacuapitzahuac, and Quaquauhpitzahuac.-Family:...

, upon his death in 1407. He was a brother of the queens Matlalatzin

Matlalatzin

Matlalatzin was a Queen of Tenochtitlan as a wife of the king Chimalpopoca, and was a princess by birth. She was a daughter of Quaquapitzahuac, king of Tlatelolco, and sister of the king Tlacateotl and queen Huacaltzintli. She bore seven children....

 and Huacaltzintli

Huacaltzintli

Huacaltzintli was a Princess of Tlatelolco and Queen of Tenochtitlan. She was a daughter of the king Quaquapitzahuac and sister of the king Tlacateotl and queen Matlalatzin. Her husband was Itzcoatl, Aztec emperor. She bore him son called Tezozomoc. She was a grandmother of kings Axayacatl, Tizoc...

 and grandson of the famous king Tezozomoc. He was also a cousin of Emperor Chimalpopoca

Chimalpopoca

Chimalpopoca was the third king of Tenochtitlan .-Rule:On the day of Chimalpopoca's coronation in 1417 , his brother Tlacaelel I was named high priest...

 and uncle of the prince Tezozomoc

Tezozomoc (son of Itzcoatl)

Tezozomoc was a son of Itzcoatl, the fourth Aztec ruler of Tenochtitlan. Although he never became ruler himself, he was married to Atotoztli, daughter of Moctezuma I , and three of his sons — Axayacatl, Tizoc, and Ahuitzotl — would become the sixth, seventh and eighth rulers, respectively...

.

He was a father of the kings Tezozomoctli

Tezozomoctli (Cuauhtitlan)

Tezozomoctli was a tlatoani of the pre-Columbian Nahua altepetl of Cuauhtitlan in central Mexico. His palace was located at Huexocalco....

 and Itzquauhtzin and grandfather of Cuauhtlatoa. His wives were called Xiuhtomiyauhtzin

Xiuhtomiyauhtzin

-Family:She was born as a princess, the daughter of the king Acolmiztli.She married the king Tlacateotl. She was a mother of the king Tezozomoctli and Queen Izquixotzin....

 and Xiuhcanahualtzin

Xiuhcanahualtzin

Xiuhcanahualtzin was a Princess of Azcapotzalco and Queen of Tlatelolco by marriage.-Family:She was a daughter of the king Tezozomoc and Tzihuacxochitzin and sister of the king Quaquapitzahuac. She married her nephew Tlacateotl, who was a successor of his father Quaquapitzahuac as the king of...

 (this one was Tlacateotl's aunt).

Sources