Bonki 【盆木】2 The Japanese surnames etymology dictionary.
Toyama-ken Toyama-shi , Kanagawa-ken Minamiashigara-shi . 矢部 surname. Toyama-ken Toyama-shi Honmaru was in the Edo period in the clan of Toyama of the Clan office. Kanagawa-ken Aikou-gun Aikawa-machi It was in the Edo era in Nakatsu. In the same place, the family crest is told that he was engaged in agriculture with a cross as a circle. 矢部 reference.