Which 'John' do you mean?
John the sonof Zebedee,?
John Mark?
The Bible doesn't say whether any of them were married.
No, and the name is John the Baptist :)
Abraham was married to his half-sister.
He is married.
Some think that she got married to Captain John Smith, but she actually got married to a man named John Rolfe.
Nobody knows. No wife is mentioned anywhere in the Bible.
An adulteress is a married woman that fools around with another man
Yes. She got married to a man named John Dominis. They had no children.
It is not mentioned in the Bible if he was even married - though I suspect not.
John Cabot did get married to a young woman named Mattea. He wasn't a lonely man! Good for him!
That would be John the Baptist.
No word on this. But the Bible does say that the married man and woman are now "one flesh". (Ephesians 5.31)
The book of Romans says once a women is married she must stay with the man, til he dies and then only can she get married. Divorce is not allowed according to the bible.