At the top of the different types of social classes was the upper class. The upper class included aristocrats, nobles, dukes, lords temporal, clergymen (priests), and other royal families. The upper class is a class of nobility, wealth and privilege of the highest social order. If someone was part of the upper class, money was not an object, so they had assets such as lands and jewels at their disposal ("Aristocratic Life in Victorian England"). Since the upper classes knew that they were above everyone else, they demanded that the lower classes treat them accordingly. The second type of social class is the middle class, made up of successful industrialists, poor office workers and rich bankers. The reason why office workers were part of the middle class is because social class was not defined by a person's income, it was defined by the source. During this historical period the middle class grew in size and importance, representing approximately fifteen percent of the population of Great Britain. Middle-class people valued hard work, sexual mortality, and individual responsibility. The third and final type of social class is the lower class. In the lower class were those who did physical labor, which were jobs that the other classes did not want to do. An example of a lower class person is a farmer. The lower classes were paid