Roman Sienna is a recurring character on the vampire TV show The Originals who also has a brief appearance in Legacies. The Originals and Legacies are two Vampire Diaries spinoffs. The Originals follows the Mikaelson siblings: Klaus, Elijah, and Rebekah, who are all vampires known as "The Originals", the first vampires to ever exist. Legacies centers on Hope Mikealson (Danielle Rose Russell), Klaus' daughter who attends the Salvatore School for the Young and Gifted, where supernatural creatures can safely learn and grow.
https://screenrant.com/roman-the-originals-redemption-arc-legacies/