ˈɪzəbˌɛl ɪnhˈɛɹɪɾᵻd ðə bˈæɹəni ʌv bˈoʊlbɛk, ænd fɹʌm hɜː dˈɛθ ɪn wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd fˈoːɹɾi fˈaɪv ʌntˈɪl wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd θɹˈiː ðɪ ˈɜːlz ʌv ˈɑːksfɚd ɐdˈɑːptᵻd ðə stˈaɪl ʌv "bˈæɹən də bˈoʊlbɛk" ɪn ɐdˈɪʃən tə ðɛɹ tˈaɪɾəl ʌv ˈɜːl, ænd fɹʌm wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd sˈɪksti tˈuː dˈæʃ wˈʌn θˈaʊzənd sˈɪkshˈʌndɹɪd twˈɛnti fˈaɪv ðˈæt ʌv "vˈaɪkaʊnt bˈoʊlbɛk".
Isabel inherited the barony of Bolebec, and from her death in 1245 until 1703 the Earls of Oxford adopted the style of "Baron de Bolebec" in addition to their title of earl, and from 1462-1625 that of "Viscount Bolebec".