Chuuboku 【忠朴】1 The Japanese surnames etymology dictionary.
Ibaraki-ken , Saitama-ken . Tochigi-ken Oyama-shi Birth of Nakaki. A place name with a record since the Muromachi period. Place names are also written as "Nakaki", "Naka". Ibaraki-ken Shimotsuma-shi It was in the Azuchi-Momoyama period as a vassal of Mr. Taga Tani who was the castle owner of Shimozuma Castle in Honjo-cho.