Gregory the Dialogist

ALLEGORICAL INTERPRETATION We have said a little above that by the sons and the daughters we understand the Apostles that preached, and the people under them; who are said to be feasting in their eldest brother's house, for that it was in the lot of the Jewish people still that they were fed with the sweets of the sacred truths preached. And, behold, there came a great wind from the wilderness. The wilderness is the heart of unbelievers, which being forsaken by the Lord is without an inhabitant to tend it. …

Morals on the Book of Job, Book II ↗

Thomas Aquinas

The destruction of his children follows. "While he was still speaking, another messenger entered and said: Your sons and daughters were eating and drinking wine in their brother's house," so that because of this, their death would be more sad for Job, since he would be uncertain whether they were in a state of sin preceding their death. For he used to sanctify them and offer holocausts for each one for this reason because he was afraid that they had incurred some sin during their banquets.

Commentary on Job ↗