Lineage, parentage (8)
I believe the answer is:
ancestry
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">lineage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">parentage</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for ancestry that I've seen before include "Line of forebears" , "Line of descendants" , "Person's ethnic descent" , "race" , "Genealogy" .)