 Complete the following phrase:  Trần Ích Tắc was born in 1254 as the fifth son of the Emperor Trần Thái Tông, he was entitled Prince Chiêu Quốc in May 1268. Besides his elder brother the Emperor Trần Thánh Tông, Prince Chiêu Quốc had two other famous brothers who were grand chancellor Prince Chiêu Minh Chiêu Minh vương Trần Quang Khải and Prince Chiêu Văn Chiêu Văn vương Trần Nhật Duật, both Trần Quang Khải and Trần Nhật Duật were important generals of the Trần Dynasty during the second 