Who will it be? We don't know of course, and very, very few – so far as I can tell – commentators and divines of the past attempt to make a suggestion. That is the very wisest thing. It is beyond our understanding, but the favourite Puritan answer was: everyone! All the redeemed people who have the privilege of living and reigning with Christ. It is not any two specific people. It is all his people, have the maximum privileges.