The Rosetta stone was looted from the French. The French invaded Egypt but didn't loot the Rosetta stone, it was just a rock used for a wall in a fort they were

The Rosetta stone was looted from the French. The French invaded Egypt but didn't loot the Rosetta stone, it was just a rock used for a wall in a fort they were reinforcing. Egypt at the time was part of the ottoman empire. Egypt at the time of the Rosetta stone was Greek. The Greeks conquered it from a Persian empire. Neither Egypt now or Egypt in the 1800 are the Egypt of the time of Rosetta stone. So who should the real owner of the stone ?