Related Clues:

• Grand duke's father
• Mogul
• Winter Palace ruler
• Nicholas I or II
• Autocrat: Var.
• Business bigwig
• Ivan the Terrible, e.g.
• Bolshevik target
• Honcho
• Industry magnate
• Rimsky-Korsakov's 'The Tale of ___ Saltan'
• Olden despot
• Bygone ruler
• Word that's an accidental acronym of a Hemingway title
• Supreme leader