Etymology and distribution of 西濟.

Saisu 【西濟】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

生嶌 Ikushima reference.

Nishizumi 【西濟】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Oosaka-fu , Wakayama-ken .

① Topography . From the front of Kakiuchi. Hiroshima-ken Kure-shi Distributed in Gogara Town.

② Hiroshima-ken Mihara-shi Originated from Kaigauchi (Mae Gaiichi) in Yahatochigakiuchi (Kaiichi)'s underwear. Kakiuchi was a place name with a record since the Edo period.