Jokes - How did I get here?

Last night little Johnny become puzzled about his origin. "How did I get here, Dad". I replied, using a well-worn phrase "Why God sent you, Son" "And did God send you too, Dad?" He asked." Yes, Johnny, he did." "And Nan, Grandad and their mums and dads" "Yes,son, all of them".

Johnny shook his head in disbelief. "Then you're telling me there's been no sex in this family for over 200 years? S**t, No wonder everyone is so grouchy!"