Wonju Won clan
The Wonju Won clan is a Korean clan. Their Bon-gwan is in Wonju, Gangwon Province. The clan was a prominent yangban family during Korea's Joseon dynasty.
According to the research held in 2015, the number of the Wonju Won clan was 126,677. Their founder was Wŏn Kŭkyu, a key figure during Taejo of Goryeo’s reign, and Wŏn Ikkyŏm who made Wŏn Kyŏng the progenitor of the clan. Wŏn Kyŏng was dispatched by Emperor Taizong of Tang in Tang dynasty as one of the Hanlin Academy.
All three men have separate lines that were called Wongokgonggye through Wŏn Kyŏng, Wonseongbaekgye through Wŏn Kŭkyu, and Sijunggonggye through Wŏn Ikkyŏm. But these lines were eventually, formally, divided into branches; Wongok Baekpa, Wonseong Baekpa, and Sijung Gongpa.
Royal Noble Consort Seong-bi, a concubine of King Taejo of Joseon was a member of the clan. As well as the mother of Queen Jeongsun, who is the second wife of King Yeongjo of Joseon; and the mother of Royal Noble Consort Su, the concubine of King Jeongjo of Joseon, are descendants of the clan through Wŏn Tup'yo who was from the Sijung Gongpa branch.
Became of the amount of members it has, the clan has various locations such as Hwaseong County, Gangwon Province; Yeoju, Gyeonggi Province; Pyeongtaek, Gyeonggi Province; Gwiseong County, North Pyeongan Province ; Seongcheon County, South Pyeongan Province ; and Jinan County, North Jeolla Province.