What were the social classes below the gentry?

The Gentry:

Some Gentry were great nobles who spent most of their time at court with the monarch. Others, like sir Henry Tichborne, did not go to court but were the most important people in their countries.

The Middling Sort:

Some of the middling sort were merchants and master craft men who worked in the twns but very few people lived in towns compared to today. Most of the middling sort were yeoman farmers who owned or rented some land

The Lower Sort:

The lower sort had no land. They worked as servants and laborers on farms r in towns. If the could not find work they often become beggars.

Source: My History Text Book