Etymology and distribution of 瀬河.

Segawa 【瀬河】^{レベル3
About 200}  The Japanese surnames etymology dictionary.

Kouchi-ken Sukumo-shi . Thing . Kouchi-ken Shimanto-shi Tell the castle of Nakamura's castle (aka: Matsuki castle) called after the falling castle. The castle owner of the castle is Mr. Ichijo and is presumed to be called the Warring States Period. 一条 Ichijou reference. Kouchi-ken Sukumo-shi Yamanamachi Mina is headquartered.