Etymology and distribution of 得居.

Tokui 【得居】^{レベル4
About 500}  The Japanese surnames etymology dictionary.

Aichi-ken , Toukyou-to , Kanagawa-ken .

① Yamanashi-ken Minamikikoma-gun Hayakawa-chou Birth of Hayakawa. A place name with a record since the Warring States Period.

② Kanagawa-ken Odawara-shi Born of Hayakawa. A place name with a record since the Heian period.

③ Kanagawa-ken Ayase-shi Born of Hayakawa. A place name with a record since the Edo period. It is distributed in the same place.

④ Kumamoto-ken Kamimashiki-gun Kousa-machi Origin of Hayakawa (Sogwa). A place name with a record in the notation of "Hayakawa" during the Warring States Period.

⑤ Convention . Abbreviation for Kobayakawa. In Yamaguchi-ken Shimonoseki-shi 's Qing Dynasty tells Mr. Ryuugi of Mr. Kobayukawa's descendant. Estimated in the Edo period. 小早川 Kobayakawa reference. 椋梨 Mukunashi reference.