⇒⇒⇒based on my books, it was Mariano Trias who took office on 1897, vice president of Pres. Emilio Aguinaldo.

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The first vice president of the Philippines was Mariano Trias of the Tejeros Convention and the Republic of Biak-na-Bato era. He was the vice president of the first president in the Philippines which was Emilio Aguinaldo.