We don't really know what happens in the future for Teddy and Victoire. Hopefully they will have stayed together and had awesome part veela metamorphmagus children, but unless J.K tells her fans, then we'll never know for certain.
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Victoire Weasley. She kisses Teddy Lupin in the final chapter, and James Sirius reports it to his mother, Ginny, excitedly.
They may have open auditions for Rose and Hugo Weasley, Lily, James and Albus Potter or Scorpius Malfoy. Possibly Victoire Weasley and Teddy Lupin too.
Remus Lupin married Nymphadora Tonks. The couple had a baby together before they were killed in the Deathly Hallows. In the epilogue, we learned that their son became close to Harry and his family.
Teddy is most likely a little bit older than Victoire, because Lupin and Tonks had him a good time before the battle of Hogwarts. Fleur was not even pregnant during the battle. I would think Bill and Fleur would wait a little before having their child. But even if they did have her soon, Teddy would be a few months older. Also, it is stated in the epilogue that Teddy Lupin was there to see her off which means he had already graduated from Hogwarts while she had not, meaning he is at least one school year older than her.
Teddy Lupin, whose full name is Ted Remus Lupin, is the son of Remus Lupin and Nymphadora Tonks. Teddy is named after Ted Tonks, Nymphadora's father who was murdered by death eaters, and is Harry Potter's godson. Teddy was born in April 1998, and is a metamorphmagus like his mother.