Ever since they were introduced in Star Wars: The Force Awakens, we have wondered exactly who the Knights of Ren are. They are seen briefly in Rey’s vision, and we’re told that Kylo Ren is their leader, but two movies in, the illusive characters have played no direct part in the story. We don’t even know what they’re called, beyond simply referring to them collectively as the Knights of Ren.
Article source: https://www.cinemablend.com/news/2481262/yes-star-wars-the-rise-of-skywalkers-knights-of-ren-have-names