Dae Yeon-rim was the founder of the Heung-yo kingdom

Heung-yo kingdom

Heungnyo kingdom was founded by Dae Yeon-rim, who was the 7th-generation descendant of Dae Joyeong, the founder of Balhae.- Establishment and Downfall :...

, which was a successor-state of Balhae

Balhae

Balhae was a Manchurian kingdom established after the fall of Goguryeo. After Goguryeo's capital and southern territories fell to Unified Silla, Dae Jo-yeong, a Mohe general, whose father was Dae Jung-sang, established Jin , later called Balhae.Balhae occupied southern parts of Manchuria and...

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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

Balhae

Balhae was a Manchurian kingdom established after the fall of Goguryeo. After Goguryeo's capital and southern territories fell to Unified Silla, Dae Jo-yeong, a Mohe general, whose father was Dae Jung-sang, established Jin , later called Balhae.Balhae occupied southern parts of Manchuria and...

. 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

Liao Dynasty

The Liao Dynasty , also known as the Khitan Empire was an empire in East Asia that ruled over the regions of Manchuria, Mongolia, and parts of northern China proper between 9071125...

, 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.