Group related by blood or marriage (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">group related by blood or marriage</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 tribe that I've seen before include "Native group" , "A set or class of people, may be primitive" , "Extended family group" , "Cultural society division" , "Group of related people" .)
(Other definitions for clan that I've seen before include "One from Benghazi" , "Scottish tribe" , "Extended family as in Scotland" , "Kinship group" , "Scots family grouping" .)