He served multiple Governorships including; Governor of Isla Margarita (Venezuela) 1649-54, Governor of Tucuman (Argentina)1681-86.
He founded the city of San Fernando Valley of Catamarca in 1683, and he authorized the transfer of Tucuman.
He was later appointed mayor of Santiago de Chile.
[1] Father Lozano in his manuscript, “History of the Conquest of Paraguay”, stated that Mate de Luna was, “ a knight of notorious nobility, who enamelled with his prowess in war and illustrious example of virtue and prudence in government.”[2]
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