Sven is vacationing at his cabin in northern Minnesota and happens to get in line at a Dairy Queen.
An indian (native american) man approaches him and makes a proposition.
Indian Man: Hey I have a deal for you. I will ask you a riddle. If you can answer it I will buy you an ice cream, if you can't than you buy me one.
Sven: Sure, I like riddles.
Indian Man: They are my father's child but not my brother. They are my mother's child but not my sister. Who are they?
Sven: I have no idea. Who are they?
Indian Man: Me! Good riddle huh?
Sven: Yes a very good one.
So he buys the man an ice cream.
His vacation is over and he in back southern Minnesota. He is also in line at a Dairy Queen.
He spots his friend Ole nearby and decides to try to get a free ice cream.
Sven: Hey Ole! I have a deal for you. I will ask you a riddle. If you can answer it I will buy you an ice cream, if you can't than you buy me one.
Ole: Ok. I like riddles.
Sven: Ok then. They are my father's child but not my brother. They are my mother's child but not my sister. Who are they?
Ole: I don't know. Who is it?
Sven: Some Indian guy up north.