Born: December 13, 1794, Bishop Auckland, Durham, England.
Died: June 4, 1866, at his home, Ormelie Villa, Murrayfield, Edinburgh, Scotland.
Buried: Dean Cemetery, Edinburgh, Scotland.
Robert was the son of Robert Greville, rector of Edlaston, Derbyshire, and husband of Charlotte Eden, youngest daughter of Sir John Eden, Baronet.
He was a mycologist, bryologist, and botanist. He was also an accomplished artist and illustrator of natural history.