Answer: NIECE

AnswerCrossword Clue
NIECEYour sister's daughter
NIECEBridget Fonda, to Jane
NIECEEleanor, to Theodore
NIECEGirl from uncle?
NIECESibling's issue
NIECEMedea, to Perses
NIECEOne who cries "Uncle"?
NIECEUnc's daughter
NIECEAuntie doter
NIECEEleanor, to Teddy
NIECEYour brother's daughter, to you
NIECEReunion attendee
NIECEWednesday, to Fester
NIECEAntigone, to Creon
NIECEDad's brother's daughter, to dad
NIECEHeiress, perhaps
NIECEBrother's daughter
NIECECaroline, to Bobby
NIECEEmma Roberts, to Julia
NIECEFamily tree member
niecedaughter of one's brother or sister
NIECEJenna, to Jeb
NIECEBro's daughter
NIECEEleanor Roosevelt, to Teddy
NIECEDorothy, to Em
NIECEMaria, to Ted
NIECERelative
NIECESibling's offspring
NIECEYour brother's son's sister
NIECEAgnes, to Cecil B.
NIECEBrother's daughter, e.g.
NIECEAgnes de Mille, to Cecil B.
NIECE"The Case of the Sleepwalker's ..." (Perry Mason mystery)
NIECEBridget, to Jane
NIECESister's daughter
NIECEDorothy, to Em and Henry
NIECEFamily member
NIECESibling's daughter
NIECESibling's kid
NIECEElizabeth Bennet, to Mr. and Mrs. Gardiner