Morga.

a Spanish surname; e.g. doctor Antonio de Morga, alcalde of the Audiencia (high court) in Mexico City, who went to Peru to be the President of the Royal Audiencia

(central Mexico, 1614)
see Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 280–281.