hanja rr rrborn hanjaborn article_title mr hangulborn mrborn hangul
康王 gang wang dae sung-rin 大嵩璘 gang of balhae
 kang wang 대숭린 tae sung-rin 강왕
gang of balhae

gang of balhae -lrb- died 809 -rrb- -lrb- r. 794 -- 809 -rrb- was the sixth to rule the king of balhae .
he was the son of king mun , who was balhae 's third king .
he chose the era name `` jeongnyeok '' -lrb- 正曆 , `` upright policy '' -rrb- .
during his reign , there was active trade with japan and tang china , and missions passed frequently among the three states .
