Athrwys of Gwent, the son of King Meurig, is one such historical person. In the late eighteenth through to the early twentieth century, he was an extremely popular candidate for the real King Arthur.
As spotted by user CM_Escape on the Witcher subreddit, CD Projekt knows what we want and is gonna give it to us: The Gwent minigame will be returning in The Witcher 4, with the card game also ...