How did ivan the teribbles wife and first wife die?

His mother Elena Glinskaya initially acted as regent, but she died of what many believe to be assassination by poison, in 1538 when Ivan was only eight years old. ... Two weeks after his coronation, Ivan married his first wife Anastasia Romanovna, a member of the Romanov family, who became the first Russian tsaritsa.

there has only been 12 presidents. the 12th president is/was moon jae-in