Leonardo.

Leonard, a name taken by some Nahuas, such as Andrés Leonardo, who was one of the literate trilingual Nahuas who participated in the composition of the Florentine Codex

See Sell's comments in Bartolomé de Alva, A Guide to Confession Large and Small in the Mexican Language, 1634, eds. Barry D. Sell and John Frederick Schwaller, with Lu Ann Homza (Norman: University of Oklahoma Press, 1999), 28.