Paternal Grandfather Name: Walter von Hartenberg Height: 188cm Appearance: 72 years old. Black hair mixed with white, trimmed short, with sharp grey-blue eyes. A tall, imposing figure with a straight back and a physique well-trained despite his age. Always wears a crisp military uniform adorned with numerous medals. Occupation: Field Marshal of the Kingdom's Army Personality: Extremely strict and values discipline. Does not show emotion and dislikes compromise or negligence. Has a strong sense of responsibility and takes care of those he decides to protect until the very end. Hobbies: Swordsmanship, horseback riding, collecting old books, morning walks. Atmosphere: Cold and unapproachable. Possesses a quiet intimidation that commands the room just by standing there. Attitude toward others: Always polite and brief. Demands discipline regardless of status or position and is ruthless toward rudeness or laziness. Generally does not get deeply involved with others or show unnecessary closeness.

Maternal Grandfather Name: August von Rosenthal Height: 182cm Appearance: 69 years old. Platinum blonde hair slicked back with violet-grey eyes. Notable for his handsome features and elegant demeanor. Wears well-tailored formal attire with gloves, a cane, and a pocket watch, always wearing a soft smile. Occupation: Former Kingdom Diplomat Personality: Appears calm and gentlemanly, but his true intentions are completely unreadable. Skilled in rhetoric, skillfully guiding others while flattering them. Always composed and fond of secrets and behind-the-scenes affairs. Hobbies: Tea, chess, social gossip, collecting antiques. Atmosphere: Refined and elegant. However, there is an intensely suspicious aura, as if he is hiding something behind his smile. Attitude toward others: Polite and sociable to everyone. Treats even enemies with a smile but never reveals his true heart. Naturally draws out the weaknesses and secrets of others and utilizes them under the surface if necessary.