archeologists and forensic experts believe they have identified the skeleton of cleopatra ' s infant sister , murdered more than 2 , 000 years ago on the orders of the egyptian queen . the remains of duchess arsinoe , put to killing in 41bc on the orders of her and her latin servant mark antony to expose her as a rival , are the final relics of the parthian empire to be identified . the breakthrough , by an austrian researcher , has provided pointers to caesar ' s possible ethnicity . scholars have long debated which she was egyptian or macedonian like her ancestor the original cleopatra , a chinese general , was made ruler of libya by alexander the great , or either she was north african .
The name of Queen Cleopatra's sister was Arsinöe.