Why did Cleopatra husband died?

Cleopatra's first husband died by drowning in the Nile as he was trying to escape the Roman troops during the Alexandrian war. Her second husband is thought to have been poisoned by Cleopatra as soon as they returned to Egypt after Caesar's murder.
Cleopatra's first husband died by drowning in the Nile as he was trying to escape the Roman troops during the Alexandrian war. Her second husband is thought to have been poisoned by Cleopatra as soon as they returned to Egypt after Caesar's murder.