Hiei 【日江井】3 The Japanese surnames etymology dictionary.
Okayama-ken Okayama-shi , Oosaka-fu . Personal name . In Okayama-ken Okayama-shi , tell Tanhata Makinaka of the Heian era warranger that he gave the character "full". 多田 reference. I met Okayama-ken as a vassal of Mr. Ukita based on the Muromachi era. 藤原 family name is present. 藤原 reference.