Doumori 【堂守】3 The Japanese surnames etymology dictionary.
① Korea type . Originated in Yeongsan County, Hwanghae North Road, Democratic People's Republic of Korea. I used Yozan's "extension". On Akita-ken Akita-shi on August 4, 1987, there was a record of naturalization on Akita-ken Katagami-shi (formerly: Minowaki- gun Showa Town) on December 19, 1989. The real name is Genkai. 玄 reference.