Career
Sixto López surrendered to General Arthur MacArthur, Junior. during the Philippine-American War. López was returned to the United States after the war began. He was the guest of Fiske Warren, an officer of the New England Anti-Imperialist League.
López made numerous speaking tours and published numerous articles in the United States. press urging Philippine independence.
The general simply ignored the terms of his own amnesty agreement when it suited him and allied himself with other Filipinos, she complained. Sixto López remained in exile for many years because he refused to take the pledge of allegiance to the United States that was required for entrance into the Philippines.
Sixto Lopez is the eldest son by Natalio"s second wife, Senora Maria Castelo. lieutenant was on Sixto whose greater part of his father’s responsibility fell, assuming the passion and aspiration to maintain freedom for his beloved country.
Hence, he was considered the natural-born and paternally appointed patriot in the family.
Sixto López and Thomas T. Patterson (1904), "Too Wise To Work." In the Springfield Republican. Reprinted in Liberty XIV.21 (June, 1904).