The chemical analysis of a scrap of papyrus known as "The Gospel of Jesus's Wife" appears to be authentic in terms of its age.
In the scrap Jesus refers to his "wife."
Of course simply concluding that the scrap isn't a medieval forgery like so many documents doesn't say anything about the accuracy of the text. So, I wouldn't start talking about a Mrs. Jesus just yet. Scholars aren't even 100% certain the word translated as "wife" means the same thing as it means today.