Robb Stark is the eldest son of Ned and Catelyn Stark and thus the heir of Winterfell.  He takes control of the North in his father's absence.

Robb Stark Quotes

How am I supposed to sit here planning a war, when you're over there looking like that?

Robb Stark

Theon: You're afraid?
Robb: I must be.
Theon: Good.
Robb: Why is that good?
Theon: It means you're not stupid.

Game of Thrones Quotes

Tyrion: Let me give you some advice bastard. Never forget what you are. The rest of the world will not. Wear it like armor, and it can never be used to hurt you.
Jon: What the hell do you know about being a bastard?
Tyrion: All dwarfs are bastards in their father's eyes.

Tis a big and beautiful world. Most of us live and die in the same corner where we were born and never get to see any of it. I don't want to be most of us.

Oberyn