hiː ænd hɪz twˈɪn bɹˈʌðɚ, wˈɪljəm ˈɛf. wˈɪlʌfbi, wɜː ðə sˈʌnz ʌv wˈɛstəl wˈɪlʌfbi ænd dʒˈɛni ɹᵻbˈɛkə wˈʊdbɛɹi wˈɪlʌfbi.
He and his twin brother, William F. Willoughby, were the sons of Westel Willoughby and Jennie Rebecca (Woodbury) Willoughby.