Etymology and distribution of 左坐.

Saza 【左坐】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kagoshima-ken Kagoshima-shi . Terrain . "Jiang" and "island" are added to Kotobukiya, Kagoshima-ken 's family name of Amami archipelago. Estimated at the time of returning to Japan in 1953. 寿 Kotobuki reference.