Fray Ulpiano Herrero y Sampedro kept a journal of his 18 - month imprisonment together with over a hundred other friars .
Fray Ulpiano Herrero y Sampedro is a Dominican who had been captured and sent over from Cavite .
Fray Ulpiano Herrero y Sampedro , a Dominican who had been captured and sent over from Cavite , kept a journal of his 18 - month imprisonment together with over a hundred other friars .