Queen of Cyprus, daughter of Ptolemy XII and Cleopatra VI and sister of Cleopatra VII. During fights held in Alexandria by Julio César, he/she was able to escape thanks to the aid of the eunuch Ganymede to the camp of the Egyptian forces, which proclaimed her Queen. To be defeated, Arsinoe IV was taken to Rome, where Julio César forgave her and even made her Queen of Cyprus, reserving Egypt for Cleopatra VII. Dissatisfied with the cast, Arsinoe IV attacked her sister, but was defeated and banished to the East. Later, he/she would be sentenced to death by Marco Antonio.