It is well known that the Incas spoke their own language, while the rest of the empire spoke Queshua. Thus the statement which is true today, implies that the Aymara language was used by the Inca rulers long ago, making them Aymara.

However, Garcilaso de la Vega El Inca, and Pedro de Cieza de León both tell us how there were many peoples conquered who spoke many different languages so that it became necessary to make one official language. Both authors tell us that the Incas rewarded the Aymara for their faithful service by making the Aymara's own language, Queshua, the language to be used by all the common peoples of the empire. A practical move since the Aymara were used to mete out Inca justice. Backing this up is the fact that in all the documentation from all sources in the 16th century, there is not a single reference to a language called "Aymara". The Aymara people were always referred to as speaking Queshua.