Etymology and distribution of 桒元.

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

Kagoshima-ken Kagoshima-shi . Terrain . Kagoshima-ken Kagoshima-shi From the Qiwa side gate of the gate division system that was in the Edo period in the Uz. The gate name comes from the side of the side. The character of the Qi is "Sugaru".