His father, Kazimer Wistert, was a Spanish–American War veteran who was later killed in the line of duty while working for the Chicago Police Department.
hɪz fˈɑːðɚ, kˈæzɪmɚ wˈɪstɚt, wʌzɐ spˈænɪʃ ɐmˈɛɹɪkən wˈɔːɹ vˈɛɾɚɹən hˌuː wʌz lˈeɪɾɚ kˈɪld ɪnðə lˈaɪn ʌv dˈuːɾi wˌaɪl wˈɜːkɪŋ fɚðə ʃᵻkˈɑːɡoʊ pəlˈiːs dᵻpˈɑːɹtmənt.