Answer
Wittelsbach arms, quartered with the Palatine, were displayed on Prince Rupert's coat of arms. The arms of the Palatine were a black lion rampant on a gold background, while the Wittelsbach arms featured alternating blue and white lozenges. The combination of these two coats of arms represented Prince Rupert's heritage as both a member of the Palatine family and a descendant of the Wittelsbach dynasty.