Etymology and distribution of 実友.

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

Ehime-ken Matsuyama-shi . Creation . 首藤 's variant. Ehime-ken In Matsuyama-shi , Ehime-ken Matsuyama-shi Marunouchi tells her that she was renamed from Shodo surname at the end of the Edo period due to the lord of Iyo Matsuyama lord of the clan. There is also a story that there is a record by the notation of "Shuto" at the time of 1854 (the first year of Ansei) at the same place. 首藤 Shutou reference.