My sister and I were visiting West Virginia, and we figured when in Rome...
Oh wait, I don't have a sister. Nevermind.
Musta been yer brother ;)
1) "Get off me pa, yer crushin' my smokes."
2) "I forgot, your brother has the car."
3) "Are they still brother and sister?"
ten points for each joke you can assign to the above punchlines.
Actually, I got all 30. I can write the jokes if you like.