The Japanese surnames etymology dictionary.
① Aichi-ken Ama-shi birthplace of Hachisuka. A place name with a record since the Kamakura period. Tokushima-ken Tokushima-shi Tokushima Town Castle Temple lord Tokushima of the Clan Agency Azuchi Momoyama Era / Edo Era, Tokushima-ken Tokushima-shi Manabi Town was in the Edo period in the Awa Tomita Domain of the Clan Agency.
② Creation . Added "ig" to Bee Sou. Gunma-ken Isesaki-shi In Horishita-machi tell her that he changed the name from Bee Saku. Estimated in the Edo period. There is also a passage with the grass at the same place. 蜂須 reference.