John Calvin Reformed @genevareformer

Here the angel passes to the third war, namely, that which the son of Callinicus stirred up against Ptolemy Philopator. After the death of Euergetes, the two sons of Callinicus united their forces, and endeavored to recover Syria, and especially that part of it of which they had been deprived.

Matthew Henry Presbyterian @wholebiblehenry

Here are foretold, I. The rise and power of two great kingdoms out of the remains of Alexander's conquests, Dan 11:5. 1. The kingdom of Egypt, which was made considerable by Ptolemaeus Lagus, one of Alexander's captains, whose successors were, from him, called the Lagidae. He is called the king of the south, that is, Egypt, named here, Dan 11:8, Dan 11:42, Dan 11:43.

Commenting on Daniel 11:5-20

John Gill Reformed Baptist @doctorgill

But his sons shall be stirred up,.... Not of the king of the south, or Egypt, but of the king of the north, or Syria; the sons of Seleucus Callinicus, who died, as Justin (f) says, by a fall from his horse; these were Seleucus Ceraunus and Antiochus, who was afterwards called the great: these being irritated and provoked by what Ptolemy Euergetes had done...