Translate the following sentences into Spanish.

1. And who is Julio?
2. So then, who is Alberto?
3. No, it is not Jorge.
4. It is Amado, right?
5. No, it's not Amado.
6. Alfonzo is a prince, but he is an enemy also.
7. Maria is from Chile too.
8. I know that you are my friend, Carlos.