for casting bronze objects have been found in Japan suggests a possible answer.
Toyo-tama, "rich jewel," the ancestor of the jewel-makers' Be, requires no explanation.
The Kiujiki gives a list of thirty-two deities as forming the Court of Ninigi on his descent to Earth, and adds the names of the noble families who were descended from them. A few of these are nature-deities. Of the remainder some may be deified real men, but I prefer to reckon them provisionally along with such class conceptions as Tommy Atkins, John Bull, Brother Jonathan, and Mrs. Grundy.
Koto-shiro-nushi is one of those secondary formations in which the personification of nature and the deification of man meet and mingle. As the son and counsellor of the Earth-God and Creator Ohonamochi he is related to the class of nature-deities, while as an individualized type of a class of human beings and as the supposed ancestor of certain noble families he belongs to the current of thought which exalts man to divinity.
Shiro in this God's name is for shiru, "to know," and so to attend to, to manage, to govern. Koto-shiro-nushi is, therefore, "thing-govern-master." The character and functions of this deity are not well defined. He was one of the Gods who advised Jingô's famous expedition against Korea, on which occasion he described himself as "the Deity who rules in Heaven, who rules in the Void, the gem-casket-entering-prince, the awful Koto-shiro-nushi." In the Ohonamochi myth he is represented as his father's chief counsellor. Owing to his services in persuading him to transfer the Government of Japan to Ninigi without resistance, he was held in great honour at the Mikado's Court, of which he was considered one of the principal protectors. The Jingikwan included him among the eight Gods specially worshipped by them to the neglect of many more important deities, including even his father, Ohonamochi. In the Manyôshiu he is called upon by a lover to
