However, he is of the Bian (Uiseong) Bak clan, and his grandfather is Bak Yun-bo and his father is Bak Jeom with the title of Jungnyangjang (a military post).
Lee Myung-bak | Seo Taiji | SEO | Kim Jong-seo | Seo-gu | search engine optimization (SEO) | Per Bak | Ong Bak 2 | Kim Jang-saeng | Bak | Yak Bak | Seo Young | Seo Sun-hwa | Seo Min-woo | Seo Ji-Hun | Seo In-guk | Seo Hyun-jin | Seo Ho-Jin | Jacek Bąk | Chan Siu-bak | Can Seo | Bak kut teh | BAK |
Eminent Neo-Confucian scholars the family has produced during the Joseon dynasty include: Kim Jang-saeng, Kim Jip, and Kim Manjung.
The role of Seo Jang Geum is played by Lee Young-ae (이영애 (李英愛)), who was originally supposed to play the role Lee Yeon-saeng.