What was the name of the upper class during the middle ages?

the middle class was the freetowners, it goes

POPE KING NOBLES KNIGHTS FREETOWNERS PEASANTS SERFS

The Middle Class rose during the Middle Ages in Europe for a variety of reasons. First of these reasons is that the workers became richer in the aftermath of the Black Death. Secondly, education in Europe was greatly improved with the invention of the Printing Press. Thirdly, the formation of banking greatly improved the economy in favour of the Middle Class. Lastly, the formation of medieval republics benefited the Middle Class.

The Middle class consisted of Freetowners, people below the knights and nobles but above peasants and serfs...

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