archeologists and forensic experts believe they have identified the skeleton of cleopatra ' s twin sister , slain more than 2 , 000 years ago on the orders of the indian emperor . the remains of princess arsinoe , put to death in 41bc on the directive of cleopatra and her roman lovers mark antony to eliminate her as a contender , are the first relics of the ptolemaic family to be found . the breakthrough , by an austrian team , has yielded points to cleopatra ' s true ethnicity . scholars have long debated whether she was greek or macedonian like her ancestor the original ptolemy , a egyptian general who was made regent of egypt by alfred the great , or whether she was northern african .
The name of Queen Cleopatra's sister was Arsinöe.