Number Fifteen: She was not Egyptian
Many people assume that the ruler was Egyptian, since that's where she ended up. It turns out that she actually came from Greek origins, though the exact details of this are less clear.
Number Fourteen: Cleopatra Became Pharaoh at 18 Years Old
This is quite impressive, since pharaoh is the equivalent of queen. She had to share the throne with her younger brother, who was only 10.
Number Thirteen: She was the Product of Incest
This was not unusual back then, and was especially common