Etymology and distribution of 幸河.

Koukawa 【幸河】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Toukyou-to , Tochigi-ken . Summary . Synthesis of Sakamoto and Irene. Tochigi-ken Mooka-shi In Chigei, let's say that Mr. Sakamoto greeted Mr. Irene as bride and he called it from "Saka" of Sakamoto and "Ichino" of Ueno. Estimated in around the Warring States Period. 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. Ibaraki-ken Chikusei-shi Akahama is based. It was in the Edo period in the same place. 坂本 Sakamoto reference. 入野 Irino reference. Kagawa-ken Takamatsu-shi Tamamo-cho was in the Edo period in the Sanuki Takamatsu clan in the Clan office.

※ Emissy system . Ibaraki-ken Chikusei-shi In the stone tower say " 19 " and pronounce it as a sakari. It is unknown whether nineteen exist. In the same place there is a tradition that the young man of the age of "Sakari" gave away when Emi, who went back to the hometown when Yamato Takeru's eastward expedition from the Imperial family to the Yayoi era, hospitted and sent off.

Kougawa 【幸河】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Nagasaki-ken Gotou-shi , Fukuoka-ken , Yamaguchi-ken . Terrain . In Yamaguchi-ken , saying that Nagasaki-ken 's sake had many Sakai surnames, he added "side" as Sakai as "border". 酒井 Sakai reference.