According to "Shinsen Shojiroku" (Newly Compiled Register of Clan Names and Titles of Nobility) Yamashiro (Shinbetsu, Tenjin), the kabane was Kumano no muraji [descendant of Umashinigita no mikoto who was grandchild of Nigihayahi no mikoto].
『新撰姓氏録』山城（神別・天神）には熊野連〔饒速日命孫味饒田命之後也〕と見える。