Answer the following question: - coronet is a coronet of an earl    - escutcheon is quarterly gules between three square buckles sable -lrb- moreton -rrb- ; : 2nd and 3rd , or two lions passant guardant gules 1st -lrb- ducie -rrb- and 4th , argent a chevron      - supporters is on and tufted or , each gorged with a ducal coronet either per pale gold and gules side a unicorn argent armed unguled maned    - crest is a between two wings displayed azure moorcock 's head or combed and wattled gules    - image is file : coronet of a british earl.svg    - motto is perseverando -lrb- by persevering -rrb-    Given the details above, guess who could this information be about.
Answer:
earl of ducie