The Clifford baronetcy, of the Navy, [1] was created on 4 August 1838 in the Baronetage of the United Kingdom for Augustus William James Clifford, an illegitimate son of 5th Duke of Devonshire (as son of the 6th Baroness Clifford and himself the 7th one). It became extinct on the death of the 4th Baronet on 22 November 1895. [2]