The following word puzzle is all about relations. Once you have figured out the answer, please email it to mark@marcasoft.com and I will send you a special award certificate.
Here is the puzzle:
Betty and Mike are married. Betty's second cousin on her mother's side has a sister. This sister, Sharlene, is married to Jerry and has two kids. Mike has a brother named Billy. Betty has a cousin who is married to Billy. Billy has a sister. If Jerry's kids have an uncle who's mother is related to Mike, then how are Mike's brother and Betty actually related?