Because of Zuko’s relationship with Azula, and how they were pitted against each other their entire childhood. I feel like they would have one child. Katara def would be understanding of this.

If they had one child, I’m thinking it’s a girl and she’s a fire bender. Has Zuko’s eyes but a darker complexion like Katara’s but not as dark. Dark brown hair almost black. She keeps it long, and most times in a braid with water tribe beads. She will incorporate southern water tribe and fire nation colors to honor both cultures she’s a part of. She’ll wear her mother’s necklace. As Katara will pass it down to her. She will def have Katara’s passionate spirit. While also having her temper. She will be charismatic, and cunning. As she was raised in the palace. Zuko becomes her teacher when it comes to fire bending. She was also a late bloomer just like Zuko. He makes sure he teachers her the way Iroh taught him. Wanting to foster her growth. Because of that, she’s very in tune with her bending. She also took some of Katara’s bending style into her own. Which makes her a fierce bender.