What is the earliest recorded account of something resembling a marriage?

The linked item below states that marriage existed 5000 years ago, and that the earliest written marriage record is about 2500 years old.What is the earliest recorded account of something resembling a marriage?
The way you presented your question, Adam and Eve fit the bill.What is the earliest recorded account of something resembling a marriage?
because you are not asking a proper question the only true answer is adam and eve.