Canonically, we still don't know what happened to Obi-Wan Kenobi's lightsaber after A New Hope. But Legends says otherwise.

Did Star Wars ever reveal what happened to Obi-Wan Kenobi’s lightsaber after his duel with Vader in the original Star Wars movie, A New Hope? Obi-Wan carried a total of three distinct ...

There's also the Inquisitors. Played by Liam Neeson, Qui-Gon Jinn is Obi-Wan's former master who was killed in a lightsaber duel with Darth Maul in The Phantom Menace. But at the end of Revenge of ...