ˈɪzəbˌɛl də bˈoʊlbɛk, kˈaʊntɛs ʌv ˈɑːksfɚd sˈiː. wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɪksti fˈoːɹ tˈuː ɔːɹ θɹˈiː fˈɛbɹuːˌɛɹi wˈʌn θˈaʊzənd tˈuːhˈʌndɹɪd fˈoːɹɾi fˈaɪv, wʌzðɪ ˈɛldɪst dˈɔːɾɚ ænd kˈoʊˈɛɹɛs ʌv hjˈuː də bˈoʊlbɛk ɹˌoʊmən tˈuː, lˈɔːɹd ʌv wˈɪtʃɜːtʃ, bˈʌkɪŋˌæmʃɚ, ænd hɪz wˈaɪf, mˈɑːɹɡɹət də mˈɔntfɪʃɪt.
Isabel de Bolebec, Countess of Oxford (c. 1164 – 2 or 3 February 1245), was the eldest daughter and co-heiress of Hugh de Bolebec II, Lord of Whitchurch, Buckinghamshire, and his wife, Margaret de Montfichet.