If he comes alone, he is to go free alone; but if he has a wife when he comes, she is to go with him.
OJBIf he came in by himself, he shall go out by himself; if he were a ba'al isha, then his isha shall go out with him.
Onkelos (Etheridge)If he came in alone, he shall go out alone; if the husband of a wife, his wife shall go out with him.
T4TIf he was not married before he became your slave, and if he marries someone while he is your slave, his wife is not to be set free with him. But if he was married before he became your slave, you must free both him and his wife.