More than two hundred years before the events in Blood of Elves, Aelirenn, known as the White Rose of Shaerrawedd, led a great number elven youth to their deaths, much against the wishes of the elders, in a second battle against the humans.
In The Witcher computer game
In the game, Yaevinn relates the tale of Aelirenn to Geralt as part of his explanation of his motives while in the basement of the bank during Gold Rush.