Matthew 19:9

Shepherd of Hermas Commandment Fourth " And I said to him, "What then, sir, is the husband to do, if his wife continue in her vicious practices? "And he said, "The husband should put her away, and remain by himself. But if he put his wife away and marry another, he also commits adultery."[3]

Athenagoras A Plea for the Christians "For whosoever puts away his wife," says He, "and marries another, commits adultery; "[130]

Tertullian Of Patience

every species of salutary discipline, what wonder that she likewise ministers to Repentance, (accustomed as Repentance is to come to the rescue of such as have fallen,) when, on a disjunction of wedlock (for that cause, I mean, which makes it lawful, whether for husband or wife, to persist in the perpetual observance of widowhood),[128]