"they will make an alliance with another king" or "they will make an alliance with the king of the North." This alliance would be a formal agreement that both nations are required to follow. AT: "the king of the South and the king of the North will promise to work together."
## The daughter of the king of the South will come...to confirm the agreement ##
The daughter of one king is given in marriage to the other king or his son. The marriage has the force of a contract between the two kings.
## The king of the North ##
It can be made clear that "the North" refers to Syria. "The king of Syria in the north" (See: [[rc://en/ta/man/translate/figs-explicit]])
## she will be abandoned ##
AT: "they will abandon her" (See: [[rc://en/ta/man/translate/figs-activepassive]])