dˈuːk wʌz bˈɔːɹn ɪn bˈiːvɪl, tˈɛksəs, ˌɔn noʊvˈɛmbɚ twˈɛnti fˈaɪv, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi, bˌʌt hɐz ɡˈɪvən hɜː dˈeɪt ʌv bˈɜːθ æz ˈeɪpɹəl twˈɛnti, nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi wˈʌn.
Duke was born in Beeville, Texas, on November 25, 1940, but has given her date of birth as April 20, 1941.