Ivan (i.e. John), the name of two grand-dukes and four czars of Russia; the two grand-dukes were Ivan I., grand-duke from 1328 to 1340, and Ivan II., his son, grand-duke from 1353 to 1359.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Iturbide, Augustine de * Ivan III.