ˈæmbɹɪstɚ hæd sˈɜːvd ɪnðə ɹˈɔɪəl nˈeɪvi æz ɐ vˌɑːləntˈɪɹ ænd æz ɐ mˈɪdʃɪpmən bᵻtwˌiːn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd nˈaɪn ænd wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd θˈɜːtiːn, wˌɛn hiː ɹᵻtˈɜːnd tə ðə bæhˈɑːməz.
Ambrister had served in the Royal Navy as a volunteer and as a midshipman between 1809 and 1813, when he returned to the Bahamas.