ˌɔn hɪz səksˈɛʃən tə ðɪ ˈɜːldəm ʌv sˈiːfiːld, hiː ɐsˈuːmd ðɪ ɐdˈɪʃənəl sˈɜːneɪm ʌv ˈɑːɡɪlvi, stˈaɪlɪŋ hɪmsˈɛlf ɡɹˈæntˈɑːɡɪlvi.
On his succession to the earldom of Seafield, he assumed the additional surname of Ogilvy, styling himself Grant-Ogilvy.