Albert Barnes' Notes on the Whole Bible - Exodus 21:3
If a married man became a bondman, his rights in regard to his wife were respected: but if a single bondman accepted at the hand of his master a bondwoman as his wife, the master did not lose his claim to the woman or her children, at the expiration of the husband’s term of service. Such wives, it may be presumed, were always foreign slaves. read more
The Pulpit Commentary - Exodus 21:4
If his master have given him a wife . If the slave was unmarried when he went into servitude, or if his wife died, and his master then gave him a wife from among his female slaves, the master was not to lose his property in his female slave by reason of having permitted the marriage. When the man claimed his freedom at the end of the sixth year, he was to "go out" alone. Should children have been born, they were also to be the property of the master and to remain members of his household. No... read more