Masunari 【増成】4 The Japanese surnames etymology dictionary.
Oosaka-fu Oosaka-shi Ikunoku, Oosaka-fu Higashioosaka-shi · Yamaguchi-ken Shimonoseki-shi . Korean type . Terrain . Added "river" to Yang. There is a record of naturalization on Toukyou-to Suginami-ku on September 6, 1983. There is also "Yanagawa". The real name is Yang. 楊 reference.