Christopher Ewing is the adopted son of Bobby Ewing and his first wife Pam. Ever since childhood, Christopher was keenly aware that he was adopted, and his cousin John Ross was always eager to remind him that he wasn't a "real Ewing."
'Dallas': Jesse Metcalfe says Christopher Ewing is 'very much the rancher'
Christopher is introduced as the anti-Ewing. He's adopted, and he's coming back to Southfork after studying abroad and developing his alternative energy patent in China.