Etymology and distribution of 世上.

Segami 【世上】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ishikawa-ken . Korean type . Originated in the city of Gyeongju (aka Tsukishiro (Walson)) in the Republic of Korea. "Moon" of Mooncruk and Lee Hwa-pyeong of Gyeongju Lee's founder (Lee Al-Pyeong) used "rock" from the tradition of descending into the same gigantic peak (Pyoambon (aka: Gulpawi) Ishikawa - ken There is a record of naturalization on December 15, 1973 in Nanao - shi . 李 Ri reference.