Etymology and distribution of 首代.

Shudai 【首代】^{レベル3
About 120}  The Japanese surnames etymology dictionary.

Wakayama-ken Shinguu-shi . Thing . From bamboo shares. Wakayama-ken Shinguu-shi Distributed in Horai.

Kubishiro 【首代】^{レベル3
About 120}  The Japanese surnames etymology dictionary.

Saitama-ken , Shiga-ken , Kyouto-fu .

① Goguryeo system . Thing . In Saitama-ken Hidaka-shi Shinbori add "Well" to Koryo surname and tell Kamikura period that Kamiura surname was further renamed and Komai surname was renamed. It is unknown whether Koryo well exists. 高麗 Koma reference.

② Yamanashi-ken Nirasaki-shi Fujii Chimori Komai's birth. A place name with a record since the Warring States Period.

③ Shiga-ken Kusatsu-shi Originated in Komazawa-machi. A place name with a record since the Warring States Period. There is also a story that the place name is said to be Mr. Komai's residence. Good neighbor . Nara-ken Nara-shi Furuichi-cho is based.

④ Good neighbor . Personal name . Tottori-ken Kurayoshi-shi Tottori-ken Kurayoshi-shi Tottori-ken Kurayoshi-shi The girlfriend of Mr. Kosaburo Yamana, who was the bastard castle of Nakano-machi, fell short after defeat at the battle of Nagase River in 1580 (Tensho 8 years) Tell them that the descendants used "Komage" of Konohime. 山名 Yamana reference.