ðə də kɹˈeɪvənts kˈeɪm fɹʌm ˈæzeɪləfˈɛɹən, ɪnðə fɹˈɛntʃ dᵻpˈɑːɹtmənt ʌv ɪndɹˈiː; hɪz ɡɹˈændfɑːðɚɹ ɐkwˈaɪɚd ðə tˈaɪɾəl ænd lˈændz ʌv hjˈuːmiˈɛɹz, ˈɑːɹtwɑː ɪn wˈʌn θˈaʊzənd fˈaɪvhˈʌndɹɪd nˈaɪnti fˈaɪv, wˌɛn hiː mˈæɹid dʒˈækɪlˌaɪn dəhjˈuːmiˈɛɹz, lˈæst ʌv hɜː fˈæmɪli.
The de Crévants came from Azay-le-Ferron, in the French department of Indre; his grandfather acquired the title and lands of Humières, Artois in 1595, when he married Jacqueline d'Humières, last of her family.