Etymology and distribution of 桒畑.

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

Chiba-ken Isumi-shi . 祭主 surname of the surname. It was in the Edo era at Chiba-ken Isumi-shi . Tell him that he is the descendant of the Heike Frater who came aboard the ship. Estimated in the Kamakura period. 平 Taira reference.