The Matsunaga clan was a family of feudal lords whose originator was Hisahide MATSUNAGA, a Kanyu (crafty hero) from a period of troublesome times, but even the specifics of Hisahide's place of origin are not known.
乱世における一代の奸雄・松永久秀を祖とする大名家であるが、この久秀は出自すら詳しくわかっていない。