Two little children come to a new city. Their names are Peter and Tom. Certainly they live with their parents. Their family is very rich. They have a driver and a lot of servants（仆人）.Peter and Tom are going to a new school. On the first day their parents say to them, “Peter and Tom, be modest at your new school. Don’t say we are rich.” And they say, “Yes, Dad and Mum.”So they go to school. They see their new teacher. And they sit down with other children. The teacher says, “Hello, children! The first exercise today is a composition（作文）, My Family.” So every child writes a composition. This is Peter’s composition. “My name is Peter. My family is very poor. Both my father and my mother are very poor. Our driver is very poor and all the other servants are poor…”
The subject of the composition is ______.