Biblical twin of Jacob (4)
I believe the answer is:
esau
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">biblical twin of jacob</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 esau that I've seen before include "He traded his birthright for a mess of pottage" , "Biblical man who sold his birthright for a mess of pottage" , "Biblical character who sold birthright for pottage" , "Cunning hunter" , "Hairy brother to Jacob in Bible" .)