Related by blood (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">related by blood</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for akin that I've seen before include "Seemingly related" , "Related by blood" , "Of similar character" , "Similar in quality" , "Of a similar nature" .)