Primary

• Tomoyo Aragaki Wife of Joutarou Aragaki
• Tomoyo Aragaki Mother of Rei Aragaki

Extended

• Joutarou Aragaki Father of Rei Aragaki
• Joutarou Aragaki Husband of Tomoyo Aragaki
• Joutarou Aragaki Son of Mari Aragaki
• Rei Aragaki Daughter of Tomoyo Aragaki
• Rei Aragaki Daughter of Joutarou Aragaki
• Rei Aragaki Granddaughter of Mari Aragaki