Fourth princess of the Lautreamont Knight Family and a Dragonar. Her "pal" is a white Maestro Dragon named Lancelot. It is revealed that she wasn't supposed to become a Dragonar, but Ash yielded Lancelot to her while the two met during the quest to seek Mother Dragon at the Orphan Rite when they were kids, while receiving Eco instead, although both don't remember each other and that particular incident but their memories are slowly starting to resurface. Silvia is completely terrified of her older sister Veronica, but later overcomes it when she recognize her skills. Despite being the 4th child of the king, her siblings are either not interested in politics, or have gone missing, which made her often recognized as the heir of the throne. She has feelings for Ash.