Chian, Padawan Youngling - Bear Clan
All Younglings in the Jedi Temple were killed by Darth Vader as Order 66 was carried near the end of the Clone Wars. Their training lightsabers were collected and destroyed.
Saber Source: Episode II: Attack of the Clones (Film), Episode III: Revenge of the Sith (Film)
Credit: Actual prop based on Darth Maul action figure toy accessory kit bashed and built by ILM/LFL prop builders.
Coleman Trebor, Jedi Master (Clan Saber)
Trebor, a Jedi Master at the height of the Old Republic, was shot in cold blood by Jango Fett during the onset of the Clone War at Geonosis. His clan lightsaber was presumed lost in the arena.
Saber source: Episode II: Attack of the Clones (Film)