Sandra Acocal is a third-year PhD student with a degree in Social Anthropology from the Benemérita Universidad Autónoma de Puebla (Mexico), Master in History and Ethnohistory from the Escuela Nacional de Antropología e Historia (Mexico), and Doctor in History and Etnohistory from the Escuela Nacional de Antropología e Historia. Sandra has studied the topic of death among the Nahua indigenous of central Mexico (anthropological approach) and the theme of the indigenous nobility, of central Mexico, in the 16th century. Her current interest in study is the documents written in the Nahuatl language in the 16th and 17th centuries in Tlaxcala (México).