dʒˈɑːn tʃˈɑːɹlz wʌzðə θˈɜːd sˈʌn ʌv fɹˈænsɪs wˈɪljəm ˈɑːɡɪlviɡɹˈænt, sˈɪksθ ˈɜːl ʌv sˈiːfiːld, ænd mˈɛɹi ˈæn dˈʌn; ænd æz ɐ jˈʌŋ mˈæn ˈɛntɚd ðə ɹˈɔɪəl nˈeɪvi æz ɐ mˈɪdʃɪpmən.
John Charles was the third son of Francis William Ogilvy-Grant, 6th Earl of Seafield, and Mary Ann Dunn; and as a young man entered the Royal Navy as a midshipman.