Cazonci (also caçonci, caçonçi, caçonzi, cazonzi, cazonçi) was the title of the ruler of the Tarascan state which existed in 14-16th centuries in the area of the modern state of Michoacán, Mexico.
See Tarascan state: Foundation and expansion for a summary of cazonci succession.
References
Cazonci Wikipedia(Text) CC BY-SA