ɪn wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd sˈɪksti nˈaɪn, dˈʊɹɹɪŋ ɐn ˈʌpɹaɪzɪŋ baɪ ðə pˈɛhjuːəntʃ pˈiːpəl ɪnðə bˌaɪoʊbˈiːoʊ ɹˈiːdʒən, hiː fˈʌndᵻd ɐ kˈævəlɹi kˈʌmpəni, nˈeɪmd "pɹˈɪns ʌv ɐstʃɚɹˈiəz," lˈɛd baɪ hɪz ˈoʊn sˈʌn hoʊsˈeɪ ɡɹɛɡˈoːɹɪˌoʊ.
In 1769, during an uprising by the Pehuenche people in the Biobío region, he funded a cavalry company, named "Prince of Asturias," led by his own son José Gregorio.