A Force-sensitive Human, Ydra Kilwallen was trained in the ways of the Force by the Jedi Order. As a Jedi, the Imperial Security Bureau issued a warrant for her arrest, and she left the Core Worlds. Kilwallen eventually married a man, and they had a son named Dev.
Ydra fled Chandrila after hearing that one of her fellow Force Adepts disappeared. Without contacting her husband, she took Dev and moved to the small, distant colony world G'rho. There, her brother Trig lived in Boku Settlement, with his new wife Senni. Trig was able to get her a job as a historian from the leader of the G'rho Defense Force, an Ilwizzt named Brco. Sibwarra recognized the Force potential in her son, and began teaching him what rudimentary Jedi skills she knew.
- "Republic HoloNet News Special Inaugural Edition 16:5:24"—Star Wars Insider 84 (First appearance)
- The Truce at Bakura (First mentioned)