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