根据短文内容，判断正确还是错误。

    I'm Liu Fang. I have a big family. There are seven people in my family. They are my father, my mother, my brother, my sister, my grandmother, my grandfather and me. My father is 40 years old. My mother is 41 years old. They are workers. My grandparents are 65 years old. I'm 12 years old. My brother is 10 years old. My sister is 14 years old. We are students.We are a happy family.