Etymology and distribution of 桑上.

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

Fukuoka-ken , Saga-ken . Nara-ken Shiki-gun Miyake-chou Origin of Koyanagi (oyagi). In the Kamakura period there was a place name with a record of "Yang Yang" recorded. 柳 There surname. 柳 Yanagi reference. Saga-ken Kashima-shi Takahiro / Takatsuhara was in the Edo period in the Kashima clan of the clan office. The same samurai is said to be the descendant of Mr. Kusakabe. 日下部 Kusakabe reference. Kumamoto-ken Yamaga-shi Kameno- machi Koyanagi is a place name with a record since the Edo period. It was in the Edo period in Nagasaki-ken Nagasaki-shi . Mie-ken Nabari-shi It was in Ayato Momoyama period in Oyato . On the Niigata-ken , Oyoyagi is the mainstream. Niigata-ken Niigata-shi Akiba-ku Nakamura was in the Edo period. Tochigi-ken Mooka-shi It was in Edo era at Hachijo. I will tell Niigata - ken Jouetsu - shi Yoneoka 's outing here .