Etymology and distribution of 五鬼継.

Gokitsugu 【五鬼継】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ooita-ken , Saga-ken , Miyazaki-ken . Summary . The first element is from "Sasa" of Sasaki. Tell Shiga-ken that Mr. Sasaki used "Sasa" of Sasaki in the Kamakura period and called it. Ooita-ken Usuki-shi Usuki was a Usuki clan of the clan office, Saga-ken Saga-shi inside the castle was in the Edo period at the clan of Saga of the clan office. 佐々木 Sasaki reference.

There was a case in 747 (Tenpyo 19 years) that gave Masato Saori 's surname. Location unknown.