The phrase "a daughter of the king of the South" is a reference found in the Book of Daniel, specifically in Daniel 11:6. This passage is part of a larger prophetic vision that outlines a series of conflicts between the "king of the North" and the "king of the South," which are understood to represent the Seleucid and Ptolemaic dynasties, respectively. These dynasties emerged following the division of Alexander the Great's empire.

Biblical Reference:

Daniel 11:6 : "After some years they will form an alliance, and the daughter of the king of the South will go to the king of the North to seal the agreement. But she will not retain her power, and his strength will not endure. In those days she will be betrayed, along with her royal escort and the one who supported her."

Historical Context:

The "daughter of the king of the South" is traditionally identified as Berenice, the daughter of Ptolemy II Philadelphus, the king of Egypt (the South). In an attempt to secure peace between the Ptolemaic and Seleucid empires, Berenice was given in marriage to Antiochus II Theos, the king of the Seleucid Empire (the North). This political marriage was intended to solidify an alliance between the two rival kingdoms.

Events and Outcome:

Despite the marriage, the alliance did not bring lasting peace. Antiochus II was already married to Laodice, whom he divorced to marry Berenice. However, after the death of Ptolemy II, Antiochus II returned to Laodice, who, fearing for her position, allegedly orchestrated the murder of Antiochus II, Berenice, and their son. This act of betrayal fulfilled the prophecy that Berenice "will not retain her power, and his strength will not endure."

Significance in Prophecy:

The events surrounding the daughter of the king of the South are significant in the context of Daniel's prophecy as they illustrate the tumultuous and often treacherous nature of political alliances in the Hellenistic period. The prophecy highlights the fragility of human plans and the overarching sovereignty of divine will in the unfolding of history.

Theological Implications:

From a theological perspective, the account of the daughter of the king of the South serves as a reminder of the transient nature of earthly power and the futility of relying solely on human alliances for security. It underscores the theme of divine providence and the ultimate fulfillment of God's purposes, despite human schemes and ambitions.