In Dares Phrygius' Account of the Destruction of Troy, the Latin summary through which the story of Achilles was transmitted to medieval Europe, as well as in older accounts, Troilus was a young Trojan prince, the youngest of King Priam's and Hecuba's five legitimate sons (or according other sources, another son of Apollo).
ɪn dˈɛɹz fɹˈaɪdʒɪəs ɐkˈaʊnt ʌvðə dᵻstɹˈʌkʃən ʌv tɹˈɔɪ, ðə lˈætɪn sˈʌmɚɹi θɹuː wˌɪtʃ ðə stˈoːɹi ʌv ɐkˈɪliːz wʌz tɹænsmˈɪɾᵻd tə mˈɛdɪˌiːvəl jˈʊɹɹəp, æz wˈɛl æz ɪn ˈoʊldɚɹ ɐkˈaʊnts, tɹˈɔɪləs wʌzɐ jˈʌŋ tɹˈoʊdʒən pɹˈɪns, ðə jˈʌŋɡɪst ʌv kˈɪŋ pɹˈiəmz ænd hɛkjˈuːbəz fˈaɪv lədʒˈɪɾᵻmət sˈʌnz ɔːɹ ɐkˈoːɹdɪŋ ˈʌðɚ sˈoːɹsᵻz, ɐnˈʌðɚ sˈʌn ʌv ɐpˈɑːloʊ.