Saikashu is thought to be a grouping of many powerful local clans who were based in the whole area of present day Wakayama City and a part of Kainan City, and closely attached to the local community,
現在の和歌山市の全域と海南市の一部に、沢山いた土豪の集まりで、地域と密着した集団が雑賀衆と思われている。