Etymology and distribution of 根石.

Neishi 【根石】^{レベル4
About 900}  The Japanese surnames etymology dictionary.

Oosaka-fu , Kyouto-fu · Shizuoka-ken Izu-shi .

① 正木 surname available. Ibaraki-ken Yuuki-shi There was a case that Mr. Sugiyama who was the shrine of Suka Shrine in Kenju in Yuki called in the Edo period. 杉山 Sugiyama reference.

② things . "Kagoshima-ken " added the "wood" to Chang of surname of Amami archipelago. Estimated at the time of returning to Japan in 1953. 昌 Shou reference.