 Emperor Conrad II was last to bear the ducal title.When he died in 1039, Rhenish Franconia was governed as a constellation of small states, like the cities of Frankfurt, Speyer and Worms, the Prince-bishoprics of Mainz, Speyer, and Worms, as well as the Landgraviate of Hesse, then part of Thuringia.Alongside these powerful entities were many smaller, petty states.