The oldest of the Magi was Melchoir, King of Arabia. He had a long gray beard and gave gold as a gift, symbolizing the acceptance of Christ as King.
Balthazar, King of Ethiopia, was middle-aged, swarthy, bearded, and bore the gift of frankincense, symbolizing Christ as High Priest.
Finally, Gaspar was King of Tarsus, in his twenties. His gift was myrrh, which was used in making medicines. This symbolized Christ as the healer and great physician.