You ask the innkeeper for a room register since you are looking for one of your brothers. You aren't even lying. He returns with a fat book held in your hands and you snatch it from him.
Looking at the register, you see that your hated brother Wolfgang Eberstark is staying in room 8 right now. Without another word, you charge up the stairs of the inn and go to confront him . He will pay for trying to kill you!