The clan seat ( bongwan ) name derives from Kim 's great grandfather who became the administrator in charge of the former Silla capital ( renamed Gyeongju at the beginning of the Goryeo period ) .
Kim 's great grandfather is a member of the royal Kim clan .
The clan seat ( bongwan ) name derives from Kim 's great grandfather , a member of the royal Kim clan , who became the administrator in charge of the former Silla capital ( renamed Gyeongju at the beginning of the Goryeo period ) .