Nakayama 【中山】7 The Japanese surnames etymology dictionary.
Kumamoto-ken Kumamoto-shi , Nagasaki-ken Tsushima-shi , Kagoshima-ken . Terrain . Add "Ei" evenly. Kumamoto-ken Kumamoto-shi Fujikado Shrine in Minami-ku Kihara tells that Mr. Hirae, Mr. Ping's descendant, was a priest from the foundation of 1178 (2 years old). It is based in the same place. Nagasaki-ken Tsushima-shi It was in the Edo period in Toyoda cho Sasaka. Kagoshima-ken Amami-shi Distributed in Kanetsu- cho Uji -ji . There is a plane that is the first surname of Amagi archipelago of Kagoshima-ken . 平 reference.