Answer: nephew

AnswerCrossword Clue
NEPHEWLot, to Abraham
NEPHEWEnoch, to Seth
NEPHEWHuey, Dewey or Louie, to Donald Duck
NEPHEWGreat-...
NEPHEWHuey, Dewey or Louie, notably
NEPHEWCertain heir
NEPHEWSister's son, say
NEPHEWSibling's son
NEPHEWJFK Jr., to RFK
NEPHEWHuey, Dewey or Louie, to Donald
NEPHEWYour sister's daughter's brother
NEPHEWCohan, to Uncle Sam
NEPHEWNapoleon III, to Napoleon I
NEPHEWCertain male relative
NEPHEWMale relative
NEPHEWLot to Abraham
NEPHEWBrother's son
NEPHEWKinsman
NEPHEWReunion attendee
nephewson of one's brother or sister
nephewthe son of one's brother or sister
NEPHEWFamily member
NEPHEWHuey, to Donald
NEPHEWHuey, Dewey, or Louie
NEPHEWBrother's boy
NEPHEWNapoleon III, to Napoleon
NEPHEWHuey or Dewey, to Donald
NEPHEWOne crying uncle?
NEPHEWYankee Doodle Dandy, to Uncle Sam
NEPHEWGeorge Clooney, to Rosemary
NEPHEWOne saying uncle?
NEPHEWSis' son
NEPHEWHuey, Louie, or Dewey
NEPHEWYour sister's son
NEPHEWDewey, to Donald
NEPHEWSister's son
NEPHEWPeepeye, to Popeye
NEPHEWMacaulay Culkin, to Bonnie Bedelia
NEPHEWRelative.
NEPHEWWhat Bonnie Prince Charlie is to Princess Margaret.