The only corroboration was a 1938 clipping from the Los Angeles Examiner, in which Herrick told a story of her and her husband joking with each other using the phrase, "How's your uncle Oscar".
ðɪ ˈoʊnli kɚɹˌɑːbɚɹˈeɪʃən wʌzɐ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi ˈeɪt klˈɪpɪŋ fɹʌmðə lˌɑːs ˈændʒəlɪs ɛɡzˈæmɪnɚ, ɪnwˌɪtʃ hˈɛɹɪk tˈoʊld ɐ stˈoːɹi ʌv hɜː ænd hɜː hˈʌsbənd dʒˈoʊkɪŋ wɪð ˈiːtʃ ˈʌðɚ jˈuːzɪŋ ðə fɹˈeɪz, "hˌaʊz jʊɹ ˈʌŋkəl ˈɑːskɚ".