Jeonju Kim clan

The Jeonju Kim clan is a Korean clan with the bon-gwan based in Jeonju. The founder of the clan is considered to be Kim T'ae-sŏ, a descendant of King Gyeongsun of Silla. As of the South Korean census of 2015, there are currently 56,989 members of the Jeonju Kim clan. The current North Korean Kim dynasty hails from this clan, as Kim Jong Un is the 34th generation descendant of Kim T'ae-sŏ.
Kim T'ae-sŏ's eldest son, Kim Yak-sŏn, was the son-in-law of Ch'oe U, the military dictator of Goryeo. Kim Yak-sŏn's daughter, later known as Queen Dowager Sungyeong, became the wife of King Wonjong, and the mother of King Chungnyeol. Kim T'ae-so's third son,, became a general who resisted the Mongol invasions, fighting in the Siege of Kuju.