Subject of a will (6)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">subject of a will</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 estate that I've seen before include "Demesne" , "Extent of one's property" , "Total possessions" , "Housing area" , "Piece of land with a large house or many small ones" .)