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Sir Anthony Hugh Grahame Dewey, 3rd Baronet (1921–2016)
Sir Rupert Grahame Dewey, 4th Baronet (born 1953)
The heir apparent is Thomas Andrew Dewey (born 1982).
Coat of arms of Dewey baronets
Crest
A dragon's head erased Sable holding in the mouth a sword in bend Proper pommel and hilt Or between two dragons' wings of the last on each a bend of the first charged with a cinquefoil of the third.
Escutcheon
Quarterly 1st & 4th per fess Sable and Or three cinquefoils within two barrulets between three dragons' heads erased counterchanged in each of their mouths a sword in bend Proper pommel and hilt of the second (Dewey) 2nd & 3rd Savle a griffin segreant Ermine armed Or the wings erminois a bordure compony Argent and Gules (Ballard).