There was such a good discussion on Jade's thread about what happens when we die I thought I'd throw this out. A letter to the editor of the South Bend Tribune (ND University if you don't know) asks the following questions:
Were Adam and Eve ever married?
If so, by whom?
If not, were Cain and Abel illegimate?
Were Adam and Eve ever married?
If so, by whom?
If not, were Cain and Abel illegimate?