Through his mother he was a member of the middle-class Michliszanski clan which included his cousin, later renamed as Bernard Berenson, the art historian.
θɹuː hɪz mˈʌðɚ hiː wʌzɐ mˈɛmbɚɹ ʌvðə mˈɪdəlklˈæs mˌɪtʃlɪszˈænski klˈæn wˌɪtʃ ɪŋklˈuːdᵻd hɪz kˈʌzən, lˈeɪɾɚ ɹᵻnˈeɪmd æz bɜːnˈɑːɹd bˈɛɹɛnsən, ðɪ ˈɑːɹt hɪstˈoːɹiən.