Larry is Nora's brother.

He's awfully clever.
He's only fifteen and he passed the Entrance in Ontario and that's ever so much harder than here.

He passed it before he was fourteen." "Before he was fourteen!" replied her father.

"Amazing!" "Yes, and he plays the mouth organ and the tin whistle and the fiddle, and Mr.Gwynne says he has learned some stunts from Sam.

I think he must be awfully nice.