The origin of Hidemitsu is unclear in many aspects, but in history books and war chronicles, he was often described as Mitsuharu AKECHI (Mitsuyasu AKECHI's son) who was a cousin of Mitsuhide AKECHI.
秀満の出自は不明瞭な点が多いが、歴史書や軍記物の記述では明智光秀の従弟にあたる明智光春（明智光安の子）と同一視される事が多い。