Etymology and distribution of 床谷.

Tokotani 【床谷】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Saitama-ken Fukaya-shi . A variant of a 蜂巣 . Saitama-ken Fukaya-shi It was in the Edo era in Ise Hira . Telling Takaoka in the same place that he was a vassal of Mr. Uesugi. 高岡 Takaoka reference.