Minamoto no Yoshikuni (源 義国?, 1082–1155) was the son of a famous samurai named Minamoto no Yoshiie and an ancestor of the Ashikaga and Nitta families. Yoshikuni was the samurai who first implored the spirit of the Iwashimizu Shrine to start living in this bamboo grove and he built the shrine in honor of the god Hachiman.