ɪn wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd sˈɛvənti nˈaɪn lˌæ lˈuːzɚn səksˈiːdᵻd kˈɑːnɹæd ˌælɪɡzˈændɚ ɡˈeɪɹɑːɹd dɚ ɹˈeɪnɛvəl æz ðə fɹˈɛntʃ mˈɪnɪstɚ tə ðə juːnˈaɪɾᵻd stˈeɪts ænd lˈeɪɾɚ sˈɜːvd æz ðɪ əfˈɪʃəl ɐmbˈæsədɚɹ ʌv fɹˈæns ʌntˈɪl wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd ˈeɪɾi fˈoːɹ.
In 1779 La Luzerne succeeded Conrad Alexandre Gérard de Rayneval as the French Minister to the United States and later served as the official Ambassador of France until 1784.