wˈɪljəmz fˈɑːðɚ wʌz dʒˈeɪkəb tˈɑːməs ʌv ɹˈoʊən kˈaʊnti, nˈɔːɹθ kˌæɹəlˈaɪnə, ˈɔːlsoʊ ɐ ɹˌɛvəlˈuːʃənˌɛɹi wˈɔːɹ sˈoʊldʒɚ, hˌuː mˈæɹid mˈɑːɹɡɹət bɹˈɛvɑːɹd.
William's father was Jacob Thomas of Rowan County, North Carolina, also a Revolutionary War soldier, who married Margaret Brevard.