He accompanied General José Álvarez de Toledo y Dubois on his military expedition into Spanish Texas in 1813.
hiː ɐkˈʌmpənid dʒˈɛnɚɹəl hoʊsˈeɪ ˈælvɚɹˌɛz də tɑːlˈiːdoʊ wˈaɪ dˈuːbwɑː ˌɔn hɪz mˈɪlətˌɛɹi ˌɛkspədˈɪʃən ˌɪntʊ spˈænɪʃ tˈɛksəs ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd θˈɜːtiːn.