Etymology and distribution of 長子.

Osago 【長子】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

掛地 Kakechi reference.

Chouko 【長子】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Kagoshima-ken Aira-shi . Kagoshima-ken Aira-shi Gamo-cho Originated from Uchishibi's underwear on the inside of Nishikawa and Shimizu River. There was Nishikawauchi gate of the gate division system in the Edo period in the same place.

Choushi 【長子】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Hokkaidou , Ishikawa-ken Nanao-shi .

① Ishikawa-ken Nanao-shi Originated from the vicinity of Akasaki River (Old: Kishikawa) flowing through Ota-machi. Tradition on the same place.

② Yamaguchi-ken 's alias of the Iwakuni river has Nishikigawa.

③ Korea type . Kyouto-fu Mukou-shi (formerly Ochi- gun, Asuka-gun) has a record of naturalization on March 31, 1956. The real name is Park. 朴 Boku reference.