Robert Edwin Lee vs Robert Edward Lee

Robert Edwin Lee and Robert Edward Lee both are nouns.

Word	Noun	Adjective	Verb	Adverb
Robert Edwin Lee	Yes	No	No	No
Robert Edward Lee	Yes	No	No	No

As nouns, Robert Edwin Lee and Robert Edward Lee are synonyms defined as:

Robert Edwin Lee and Robert Edward Lee: American general who led the Confederate Armies in the American Civil War (1807-1870)

Other synonyms of Robert Edwin Lee include Lee, Robert E. Lee.

Robert Edwin Lee (noun)	Robert Edward Lee (noun)
American general who led the Confederate Armies in the American Civil War (1807-1870)	American general who led the Confederate Armies in the American Civil War (1807-1870)