The Earl of Kintore is a person who is very important because they come from a special family that has been around for a very long time. The Earl of Kintore is kind of like the leader of his family and they live in a big, fancy house called a castle.
In the olden days, when people lived in castles, there were lots of rules about who could do what. The Earl of Kintore was in charge of making sure everyone followed these rules and kept the castle safe.
Today, the Earl of Kintore doesn't really have to worry about the castle anymore, but he still has an important title and people look up to him because of his family's history. So, just like how your family might have an important family member that everyone listens to, the Earl of Kintore is an important family member that people listen to.