Since there are no contemporary definitions of Cleopatra’s life, and it is very difficult to compile a biography of her, and with a lot of security. Much of what we know of his life is taken from the works of the Greek and Roman scholars, especially Plutarch. Cleopatra was the daughter of Ptolemy XII (Auletes), was a descendant of Ptolemy I Soter, one of the generals of Alexander the Great, the founder of the Ptolemaic dynasty in Egypt. Her mother was Cleopatra V, Tryphena, is the wife of the king, and his half-sister). In 51 BC, as Auletes, apparently died of it, of course, the Egyptian throne passed to 18-year-old Cleopatra and her 10-year-old brother, Ptolemy XIII.
Shortly after her brother’s ascension to the throne, Ptolemy’s advisers, unlike Her, who was forced to flee Egypt for Syria in 49 BC.  She went to live with an army of mercenaries, and then went back in the following year, face to face with her brother’s forces in the civil war, at Pelusium, on Egypt’s eastern border. In the meantime, with the permission of the murder of the Roman general, Pompey, Ptolemy XIII, also welcomed the arrival at Alexandria of the Ritual, the opponent of Julius Caesar. In order to help her cause, Cleopatra was looking for Caesar to help them, and it seems to be in on the secret, went to the royal palace, and to make a complaint to him.