Histories

But after a time, as he embraced her addressing her as the daughter of Amasis, the girl said to him, “O King, you do not understand how you have been made a fool of by Amasis, who dressed me in finery and sent me to you as his own daughter, when I am in fact the daughter of Apries, the ruler Amasis revolted from with the Egyptians and killed.”

This speech and this crime that occurred turned Cyrus' son Cambyses, furiously angry, against Egypt [30,27] (nation), Africa Egypt. So the Persians say.