Goksan Yeon clan

Goksan Yeon clan is one of the Korean clans. Their Bon-gwan is in sinpyong County, North Hwanghae Province.
Yeon clan originated from Nanyang Commandery, China. Their founder was who served as Menxia Shilang and general officer in Goryeo. was from Hongnong Commandery. Yeon Su chang, 7th descendant of became a subordinate of Princess Jeguk who was forced to marry ordinary person by Chungnyeol of Goryeo and was settled in Koksan County. Yeon Ju, 11th descendant of, appointed as Household Counsellor and Sansī Left Messenger. Then, he founded Goksan Yeon clan because he was appointed as Count of Koksan.
The clan gained notoriety for producing several Korean independence activists during the Japanese colonial era. Yeon Byung-hwan, his younger brother Yeon Byung-ho and daughter Yeon Mi-dang were associates of more high-profile figures such as Kim Gu and Ahn Changho and aided their anti-Japanese activities.