There are six people in my family. I come from China, and I am a college student now. My parents are workers. I have a happy family!

I'm from a family of six/There are six of us in my family. I come from China, (comma) and I am a college student now. Both of my parents work. I have a happy family!

We are six in my family. I come from China and I am a college student now. My parents are workers / are both working and I have a happy family!