Acolmiztli I ("Arm of the Puma" in Nahuatl) was a tlatoani (ruler or king) of Coatlichan, Nahua altepetl (city-state).
[1] Acolmiztli was a son of King Huetzin of Coatlinchan and Princess Atotoztli I of Coatlichan.
Princess Tozquentzin married the King of Texcoco, Techotlalatzin.
He was a grandfather of kings Tlacateotl and Tezozomoctli (Cuauhtitlan) and queens Matlalatzin and Huacaltzintli.
Inside the green boxes is the Coatlichan's lineage with bold text.