Ogata No Saburo Koreyoshi (緒方 惟栄), (around 1100 to 1200 AD) was a Japanese nobleman, warrior who played a major role in the establishment of the Kamakura shogunate.
According to the Okuninushi no Mikoto line of Shinto legends, Saburo's great-great-grandfather was Daida, and thus Saburo was descended from a snake god.[1]
It is said that Daida's mother was visited each night by her lover. One night, she pinned a needle attached to a reel of thread on his kimono. The next day, she followed the thread to a cave. She heard mighty roars from within and called out to her lover, but he replied that his appearance was too frightening for her to behold. She remained persistent. Then, a great snake appeared with the needle attached to its throat. As soon as she laid her eyes on the snake, she and her companions scattered in terror. The following night, she gave birth to a son, Daida, who was raised by her grandfather in Bungo Province (now Ōita Prefecture).[2]