Yeon Ja-yu

Yŏn Chayu (Korean: 연자유; Hanja: 淵子遊, ? – ?) was the Mangniji (Prime Minister) of Goguryeo during its waning days. He was the grandfather of Yŏn Kaesomun, who was Dae Mangniji and dictator of Goguryeo before its fall. Yŏn Chayu was the father of Yŏn T'aejo, the father of Yŏn Kaesomun, and Mangniji after Chayu . Historical records do not provide his life dates or his actions as Mangniji.