Brad of "Troy” (4)
I believe the answer is:
pitt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brad of troy</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pitt that I've seen before include "William --, who became Prime Minister at 24" , "Former British PM" , "Youngest-ever British prime minister, d. 1806" , "Elder and Younger PMs" , "One of two Tory prime ministers" .)