sentences:  Dae Yeon-rim was a descendant of the Balhae Royal family as the 7th-generation direct descendant of Dae Joyeong, who was the founder of Balhae.He entered the Liao army at an unknown age and was eventually assigned to the central province as a general.While serving as a general of the Liao Dynasty, Dae Yeon-rim secretly dreamed of re-establishing the glories of the former kingdom of Balhae, and began gathering people of Balhae origin, and eventually established the kingdom of Heung-yo during the year 1029 AD.