《元史·列传·卷十二》
太祖西征时，赡思丁率千骑奉文豹、白鹘迎降。太祖命他参加宿卫军，随太祖征伐，只呼他为赛典赤而不叫他本名。
太祖西征，赡思丁率千骑以文豹白鹘迎降，命入宿卫，从征伐，以赛典赤呼之而不名。
When Taizu went on a westward expedition, Shan Sidi led a thousand cavalrymen to surrender with a leopard and a white falcon. Taizu ordered him to join the Imperial Guard and follow Taizu on his expedition. He only called him Saidianchi and did not call him by his original name.