Matsuwa 【松和】2 The Japanese surnames etymology dictionary.
② Creation . "Book" was added to Yoshi which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. Kagoshima-ken Ooshima-gun Isen-chou There is distribution in Konoshi. There was a family name in the same place in 1879. 芳 reference.