kin group

NOUN
9 LETTERS · STARTS WITH K

kin group is a valid 9-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
K5I1N1G2R1O1U1P3
5 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 3 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does kin group mean?