Primary

• Daiki Aizawa younger brother of Natsumi Aizawa
• Daiki Aizawa son of Suzuka Aizawa

Extended

• Natsumi Aizawa Older sister of Daiki Aizawa
• Natsumi Aizawa Daughter of Suzuka Aizawa
• Suzuka Aizawa Mother of Daiki Aizawa
• Suzuka Aizawa Mother of Natsumi Aizawa