Both had displayed characters representative of their factions: Many were formerly vassals located in Ako while several of the those who formerly acted as representative in Edo became members of the radical Edo faction.
それぞれの派の特徴として、前者は赤穂詰めの家臣が多く、後者は江戸詰めの家臣であることが多かったため、後者を江戸急進派とも呼んだ。