Trần Thái Tông
There was only a brief account about Lê Phụ Trần ("Lê who serves the Trần Dynasty") in historical books as the exact dates of his birth and death were unknown. It was said that his former name was Lê Tần (黎秦) and that he was of Ái Châu origin. According to "Đại Việt sử kí toàn thư", Lê Phụ Trần was appointed by the Emperor Trần Thái Tông as middle-ranking court counsellor (Vietnamese: Ngự sử trung tướng) in 1250.