That broadside was aimed at literate Londoners. They certainly would have known the order of the kings of England. Royal succession was an acute political problem of the time, blowing up in a series of civil wars a few years later.

The kind of furore over Obama's birth certificate that some people in the US have worked themselves up into is very much like a 17th century English royal legitimacy dispute - imagine trying to make sense of that in 300 years' time.