Procopio Bonifacio y de Castro (1873 - May 10, 1897) was a Philippine independence activist and revolutionary during the Philippine Revolution of 1896 against Spain. He was a member of the secret revolutionary society turned revolutionary government Katipunan with his other siblings Ciriaco and Espiridiona. His eldest brother Andrés Bonifacio was one of the founders and, eventually, president of the Katipunan.Procopio was the third of the six children of Santiago Bonifacio and Catalina de Castro. His siblings were Andres, Ciriaco, Troadio, Espiridiona and Maxima. Wikipedia
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