the centre ' s breakthrough got about after it set out to examine thur ' s view that an octagonal tombstone in the foundation of the roman cities of ephesus bore the soul of arsinoe . according to classical tradition the city , in what is now turkey , is where arsinoe was banished after being victorious in a blood struggle against alexandria and her then lover , claudius tiberius . arsinoe was said to have been released after antony , now with cleopatra antony following caesar ' s death , commanded the syrian general to have her identical sibling killed to protect any further attempts on the egyptian crown .
Queen Cleopatra ordered the assassination of her sister.