The Originals: Scoop on Lizzie and Josie (The twins of Caroline and Alaric)'s appearance on the show in season 5 from Entertainment Weekly's Natalie Abrams

Here's some scoop on The Originals from Entertainment Weekly's Natalie Abrams' The Spoiler Room column, which was posted on 2/15/18. 

Apparently Lizzie and Josie, the twins of Caroline and Alaric, will be present in an episode of The Originals. How will they be involved in the episode in question? — Ines
Here’s what I know: They will appear in the penultimate hour, and we’ll see them while Caroline is giving prospective students a tour of the school. But further details are being kept under wraps, so you’ll just have to watch and see!

Link to the full article:Spoiler Room: Scoop on The Originals, Imposters, SVU, more | EW.com