hiː wʌzðɪ ˈɛldɪst tʃˈaɪld ʌv fɹˈænsɪs wˈɪljəm ˈɑːɡɪlviɡɹˈænt, tˈɛnθ ˈɜːl ʌv sˈiːfiːld, ænd ˈæn nˈiːnə, dˈɔːɾɚɹ ʌv mˈeɪdʒɚ dʒˈɔːɹdʒ tˈɑːməs ˈɛvənz, ʌv kˈaʊnti lˈɪmɚɹˌɪk ænd ʌv klˈuːniːvˌɪn, nˈuː zˈiːlənd.
He was the eldest child of Francis William Ogilvy-Grant, 10th Earl of Seafield, and Ann Nina, daughter of Major George Thomas Evans, of County Limerick and of Clooneavin, New Zealand.