Claire is Dean's second wife and the mother of Riria. She had brown hair and brown eyes, in contrast to the typical Marquis coloring, and was described as playful, kind, and loving, often teasing Dean. She adored Luke and doted on him as a stepmother. She married Dean for love and was happy. Her death during childbirth casts a long shadow over the family. She is remembered through Sebas's stories and Riria's physical features, which strongly resemble hers. She had chosen the name Riria for a daughter.
