Answer: familial

AnswerCrossword Clue
FAMILIALIn a line?
FAMILIALHereditary
FAMILIALComing down the line?
FAMILIALOccurring among kin
familialpertaining to a family (a group of persons related by blood or marriage)
familialOf, relating to, or occurring in a family or its members