John Chrysostom

And to me they seem moreover to make use of these excuses, putting forward these things as cloke for their negligence. And not this only is the grievous thing, that they came not, but also that which is a far more violent and furious act, to have even beaten them that came, and to have used them despitefully, and to have slain them; this is worse than the former. …

Homily on the Gospel of Matthew 69 ↗

Jerome

And they went away, some to their own village, and others to their business. The rest held his servants, and treating them with contempt, they killed them. Among those who do not accept the truth of the Gospel, there is much diversity. For those who were occupied with other matters and did not want to come are guilty of a lesser crime than those who, despite the invitation of the host, turned their affection into cruelty and mistreated or killed the king's servants. …

Commentary on Matthew ↗

Gregory the Dialogist

For when one person is intent on earthly labor and another is given over to the activities of this world, each refuses to consider the mystery of the Lord's incarnation and to live according to it—as if going off to a farm or to business, he declines to come to the king's wedding. And very often, what is more serious, some people not only reject the grace of him who calls but even persecute it. Hence it is added: "But the rest seized his servants, and after treating them with contempt, killed them."

Forty Gospel Homilies, Homily 38 ↗

Thomas Aquinas

There follows, and the rest laid hands on his servants, i.e., the apostles, and having treated them contumeliously, put them to death, because they killed many from both the Old and New Testaments. Hence below, 23:34: I send to you wise men and scribes, and some of them you will kill, etc. And he makes no mention here of his own death, but only of that of his disciples, because he had already made sufficient mention above.

Commentary on Matthew ↗