Jin'nai 【神内】4 The Japanese surnames etymology dictionary.
Tochigi-ken Nasushiobara-shi . Birth of Yamanashi-ken (formerly Kai Country (aka Koshu)). Kai is a place name with a record since the Asuka period. Tochigi - ken Nasushiobara - shi In Yamanashi - ken Koushuu - shi Eshi Kei Oshawara escorting Suezune Zen master when the Rinzai priest 's Ryorinji in Shiroyama Koyashiki was destroyed in 1582 (Tensho 10 years), Tochigi - ken Ootawara - shi tell her that she came to Uzuninji temple in Ryozakuda in Konoji temple and then named after Koshu. The old pronunciation in the estimate is ho.