Minamoto no Yoshiie
When considering the kōwakamai lineage and the creation of (the actual kōwakamai written-texts), one is usually accredited. Momonoi Naoaki claimed to be the grandson of , who in turn was a descendant of Minamoto no Yoshiie. Momonoi Naoaki's childhood name was , from which it is said the term "kōwakamai" gets its name.