Seyama 【瀬山】5 The Japanese surnames etymology dictionary.
Toyama-ken , Niigata-ken , Tottori-ken . Terrain . From around the species. Toyama-ken Nanto-shi Tell her that she was engaged in agriculture at Shimoji River. Estimated in the Edo period. Yamagata-ken Yonezawa-shi Marunouchi was in the Edo period in the clan of the Yonezawa clan in the clan office. Tottori-ken Kurayoshi-shi It is based in Iwaki.