Primary

• Roku Ancestor of Zuko
• Roku Ancestor of Ursa

Extended

• Zuko nephew of Iroh
• Zuko son of Ursa
• Zuko grandson of Azulon
• Zuko son of Ozai
• Zuko Father of Izumi
• Zuko Brother of Azula
• Ursa Mother of Azula
• Ursa Mother of Zuko
• Ursa Wife of Ozai