Daniel
Daniel 11:6ESV·traditional attribution

After some years they shall make an alliance, and the daughter of the king of the south shall come to the king of the north to make an agreement. But she shall not retain the strength of her arm, and he and his arm shall not endure, but she shall be given up, and her attendants, he who fathered her, and he who supported her in those times.

John Calvin Reformed @genevareformer

As to the explanation of the words, the king of the south, we have stated to be the king of Egypt, and that of the north, of Syria. To do right things, means to make mutual peace; he shall not retain the strength of his arm, is, his arm shall not retain its strength; he shall not stand refers to his father Ptolemy, or Antiochus...

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

And in the end of years they shall join themselves together,.... The two kings of Egypt and Syria; not the two former kings, but their successors: the king of Egypt was Ptolemy Philadelphus, the second king of Egypt, the son of Ptolemy Lagus; this is the king of Egypt who collected such a vast number of books into his library at Alexandria, and got the...