Etymology and distribution of 三駄.

Sanda 【三駄】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Niigata-ken , Yamagata-ken .

① 菅井 surname available. Yamagata-ken Yonezawa-shi Marunouchi was in the Edo period in the clan of the Yonezawa clan in the clan office.

② Good neighbor . Niigata - ken Iwafune - gun Sekikawa - mura In the Takada in Edo period I will tell him that he is a descendant of Genji who came along with Kawamura of Kanagawa - ken (formerly Sagami) in 1185 (first year of Fuji). 源 Minamoto reference. There is a tradition that Mr. Suka's descendant called it. Period, location unknown. 須賀 Suga reference.

③ Convention . Abbreviation of Sudo. Shimane-ken Yasugi-shi It was in the Edo era in Hirose Machi Higashida · Nishihoda. In the same place told that Sudou's sudden wrestler left behind Sudo 's "Susa" as a camouflage. 須藤 Sudou reference.