Ōyamatsumi

Ōyamatsumi is a Mountain God in Shinto and the father of Ashinazuchi and Tenazuchi.Chamberlain (1882). Section XVIII.—The Eight-Forked Serpent. He is also the father of Konohana Sakuya.

His name ends with Mi which is an honorific particle used to express authority or divinity in Old Japanese.本居宣長『古事記伝』七之巻。
Family tree

References

Category:gods and goddesses of Japan