《元史·本纪·卷二十九》
泰定皇帝，名叫也孙铁木儿，是显宗甘麻剌的长子，裕宗的嫡孙。
◎泰定帝一泰定皇帝，讳也孙铁木儿，显宗甘麻剌之长子，裕宗之嫡孙也。
<number>. Taiding Emperor, whose name was Yixuntimuer, was the eldest son of Emperor Xianzong Gamma La and the grandson of Emperor Yuzong.