The surname Avalos was first found in Aragon an ancient Kingdom of Spain. They were the marquis de Pescara. Alfonso I of Aragon branched firstly to Castile, and thence to Naples in Italy in the 15th century.
This web page shows only a small excerpt of our Avalos research. Another 158 words (11 lines of text) covering the years 1568 and 1570 are included under the topic Early Avalos History in all our PDF Extended History products and printed products wherever possible.