Claim: Diego de San Francisco Tehuetzquititzin was the 16th tlatoani and second governor of Tenochtitlan who succeededAlonso Tezcatl Popocatzin in 1541 and participated in the  Mixtón War in Nueva Galicia.
Evidence: Tehuetzquititzin became both tlatoani and governor of Tenochtitlan in 1541, after the death of the previous governor, don Diego de Alvarado Huanitzin. 
Diego de Alvarado Huanitzin Diego de San Francisco Tehuetzquititzin