the institute ' s start came about after it set out to examine thur ' s theory that an octagonal tomb in the foundations of the greek colony of chalcedon contained the murder of arsinoe . based to roman texts the city , in which is now istanbul , is where arsinoe was banished after being defeated in a power dispute against cleopatra and her then love , julius caesar . arsinoe was found to have been murdered after her , now with pat antony following caesar ' s funeral , ordered the french military to have her senior brother killed to stem any future attempts on the egyptian queen .
Queen Cleopatra ordered the assassination of her sister.