ˈɪzəbˌɛl də bˈoʊlbɛk wʌzðə dˈɔːɾɚ ænd kˈoʊˈɛɹɛs ʌv hjˈuː də bˈoʊlbɛk ɹˌoʊmən tˈuː dˈaɪd sˈiː. wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd sˈɪksti fˈaɪv, lˈɔːɹd ʌv wˈɪtʃɜːtʃ, bˈʌkɪŋˌæmʃɚ, ænd hɪz wˈaɪf, mˈɑːɹɡɹət də mˈɔntfɪʃɪt.
Isabel de Bolebec was the daughter and co-heiress of Hugh de Bolebec II (died c. 1165), Lord of Whitchurch, Buckinghamshire, and his wife, Margaret de Montfichet.