jˈɛluː tʃˈuːkaɪz fˈɑːðɚ jˈɛluː lˈuː, sˈɜːvd wɪððə dʒˈɜːtʃənlˈɛd dʒˈɪn dˈaɪnɐsti, wˌɪtʃ dᵻfˈiːɾᵻd ðə lˈaɪəˌoʊ dˈaɪnɐsti ɪn wˈʌn θˈaʊzənd wˈʌnhˈʌndɹɪd twˈɛnti fˈaɪv.
Yelü Chucai's father Yelü Lu, served with the Jurchen-led Jin dynasty, which defeated the Liao dynasty in 1125.