Alexander II vs Alexander II of Russia

Alexander II and Alexander II of Russia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alexander II	Yes	No	No	No
Alexander II of Russia	Yes	No	No	No

As nouns, Alexander II and Alexander II of Russia are synonyms defined as:

Alexander II and Alexander II of Russia: the son of Nicholas I who, as czar of Russia, introduced reforms that included limited emancipation of the serfs (1818-1881)

Other synonyms of Alexander II include Alexander the Liberator, Czar Alexander II.

Alexander II (noun)	Alexander II of Russia (noun)
the son of Nicholas I who, as czar of Russia, introduced reforms that included limited emancipation of the serfs (1818-1881)	the son of Nicholas I who, as czar of Russia, introduced reforms that included limited emancipation of the serfs (1818-1881)