Chief official of Venice or Genoa (4)
I believe the answer is:
doge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chief official of venice or genoa</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for doge that I've seen before include "Old chief magistrate in Venice and Genoa" , "Former title of the chief magistrate in Venice" , "Old Italian chief magistrate" , "Magistrate of 14 (historical)" , "foreign magistrate" .)