Mijangos.

a Spanish family name; one fray Juan Mijangos was an early seventeenth-century Augustinian nahuatlato

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), 20.