archeologists and forensic professionals know they have discovered the grave of cleopatra ' s younger twin , murdered more than 2 , 000 years old on the instructions of the syrian queen . the relics of prince arsinoe , put to death in 41bc on the orders of cleopatra and her roman companion mark antony to eliminate her as a competitor , are the first members of the pharaohs dynasty to be identified . the breakthrough , by an italian team , has provided pointers to queen ' s true origins . scholars have long disagreed what she was greek or macedonian through her ancestor the original ptolemy , a macedonian soldier who was named commander of egypt by alexander the great , or perhaps she was in african .
The name of Queen Cleopatra's sister was Arsinöe.