The legend of Ramung the usurper plays a significant part in Scarlet and the White Wolf: The King of Forever

Vladei was entitled to wear silver and blue, the royal colors, being ap kyning, a child born of kings, but he had eschewed them for the red and gold of Ramung’s house, Vladei’s grandfather as well as Eleferi’s. Liall wondered idly if Vladei remembered that Ramung was only half royal, the child of a slave concubine and a king, and if he were making some point by refusing to wear the Queen’s colors.

“Indisputably. We saw their camp and captured their flags: red for King Ramung, his ancestor.” Jarek’s smile was wolfish. “Vladei has been caught in treason against the Queen, my prince. We have him.”