Comment
This document seems to be something concerning, or involving, Lorenzo Suárez de Mendoza, conde de la Coruña, who was the 5th viceroy of New Spain, who died in 1583.
For a brief biography of him, see
http://en.wikipedia.org/wiki/Lorenzo_Suárez_de_Mendoza,_4th_conde_de_la…
If this link doesn't work, search wikipedia for Lorenzo Suarez de Mendoza.
George Fulton
Pleasanton, CA
Lorenzo Suárez de Mendoza, conde de la Coruña