Etymology and distribution of 古御堂.

Furumidou 【古御堂】^{レベル3
About 100}  The Japanese surnames etymology dictionary.

Oosaka-fu . Oosaka-fu Kishiwada-shi Originated near Mita-cho (formerly Yamadai). A place name with a record since the Heian period. The place name also pronounces Yamadae and tells from Yamanashi's surname. There is a Yamadai at Oosaka-fu .

※ In the southwest part of Oosaka-fu (formerly Izumi-kuni) there was a family name of Yamanaka (Yama Thailand) in the Heian period.

※ Topography . Ibaraki - ken Hitachi - shi Tell her that he called it from the ridge of the mountain ridge in the Warring States era at the Zuo Town Tomiba. "Mountain's Tail" means. Last name was also written as "Yamanou". 山能 Yamanou reference.