Dalton Abbott, born October 4th, 1989, in Los Angeles, California, is the son of Linda Hamilton and Bruce Abbott.
Dalton Abbott is the nephew of Leslie Hamilton Gearren and the half-brother of Josephine Archer Cameron, the daughter of Terminator creator James Cameron.
He has a brother Tyler Abbott (same father, different mother). 
Filmography in Terminator franchise
Dalton Abbott portraying infant John Connor in T2
Dalton Abbott portraying infant John Connor in T2 alongside his real life aunt as his mother