A niece is a daughter of one's brother or sister.

His niece is attractive and mature for her age.

To tell the truth, she is my niece.

My niece is attractive and mature for her age.

The girl drawing a picture in the first row is my niece.

The niece looks like her aunt.

These three pretty girls are all nieces of mine.

Mr Eliot's niece goes to a women's college.

My seven-year-old niece said to her brother "I'll tell on you."

I have two nieces.

Mary's my niece.

Mary isn't Tom granddaughter. She's his niece.

Mary isn't Tom granddaughter. She's his niece.