Piedras Negras Ruler C was a king of that Maya city-state. He was the fourth ruler of Piedras Negras, successor of Turtle Tooth

Turtle Tooth

Turtle Tooth was the third king of Mayan city-state Piedras Negras in Guatemala. He is also known as Ah Cauac Ah K'in. He was a successor of Ruler B....

, who could be his father.

He is depicted on the Panel 12. In the figural scene, Ruler C stands over three kneeling captives, one of whom is Knot-eye Jaguar I of Yaxchilan

Yaxchilan

Yaxchilan is an ancient Maya city located on the bank of the Usumacinta River in what is now the state of Chiapas, Mexico. In the Late Classic Period Yaxchilan was one of the most powerful Maya states along the course of the Usumacinta, with Piedras Negras as its major rival...

, who had captured a vassal of Turtle Tooth around 508. Another of the Panel 12 captives is from Santa Elena

Santa Elena

Santa Elena, the Spanish-language name of Saint Helen, is often used as a toponym in parts of the world where that language is or was spoken:*Argentina**Santa Elena, Entre Ríos*Belize**Santa Elena, Belize*Costa Rica**Santa Elena, Costa Rica*Ecuador...

.

His successor was K'inich Yo'nal Ahk I

K'inich Yo'nal Ahk I

K'inich Yo'nal Ahk I was the fifth king of Maya city Piedras Negras in Guatemala. He is also known as the Ruler 1.He reigned AD 603 - 639.- Biography :It is unknown when was he born. His parents are also unknown...

. It is unknown was he a son of Ruler C.