We are looking for someone.
Who are you looking for?
I am looking for my brother.
Does he live here?
Yes, I think my brother lives in this building.
Who is your brother? Tell me his name.
My brother's name is George. Who is older, you or your brother?
My brother is older than me. I am younger than him. He is the oldest child in the family.
Which one of you is taller, you or your brother?
My brother is taller. I am the short one in the family. Why do you ask?