who do the king and duke claim to be?

A pair of con men whom Huck and Jim rescue as they are being run out of a river town. The older man, who appears to be about seventy, claims to be the “dauphin,” the son of King Louis XVI and heir to the French throne. The younger man, who is about thirty, claims to be the usurped Duke of Bridgewater. Although Huck quickly realizes the men are frauds, he and Jim remain at their mercy, as Huck is only a child and Jim is a runaway slave. The duke and the dauphin carry out a number of increasingly disturbing swindles as they travel down the river on the raft.