Etymology and distribution of 盆子.

Bonko 【盆子】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Fukuoka-ken . Hiroshima-ken Miyoshi-shi Misa - Saka Town Originated from the Oil Spirits of Ashizoku's Underworld. Use oil-free "oil". Tradition in Fukuoka-ken . 藤原 family name is present. 藤原 Fujiwara reference.