The Queen serves as the King's wife and Princess Sapphire's mother within Silverland's royal family, fulfilling a supportive role. After Duke Duralumin orchestrates a coup, conspirators imprison her alongside the King. This captivity forces Sapphire into exile to protect her life. The Queen's narrative significance stems primarily from her maternal connection to Sapphire, framing parental love as a core thematic pillar. She exemplifies the "wise mother" archetype among the story's female characters.