Etymology and distribution of 徳宗.

Tokumune 【徳宗】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hyougo-ken Toyooka-shi . There is a 日下 surname. Hyougo-ken Toyooka-shi Tell the shrine building in Shirosaki Town Yushima was founded in 708 (the first year in Jiyugaoka ). 日下 Kusaka reference.