A niece is a daughter of one's brother or sister.とは 意味・読み方・使い方

A nephew is a son of one's brother or sister.

the daughter of one's brother or sister

Actually, my brother is my half-brother.

a female person who has a sibling younger than herself

a person's firstborn daughter

a daughter of your brother or sister

He has a brother and two sisters.

a son of your brother or sister

I have two brothers and a sister.

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

I don't know whether she has brothers or not.

I have two brothers and a sister.

She doesn't have any brothers or sisters.

She doesn't have any siblings.

a child born to one's wife's siblings

I have no brothers or sisters.

a state in which brothers and sisters have the same mother but a different father

(of siblings) related through one parent only

twin brothers [sisters]

Which is the elder of the two?

The brothers were born within a year of each other [in consecutive years].

a daughter of your grandson or granddaughter

a brother‐[sister‐]german

one's older brothers and sisters

He has neither brothers nor sisters.

brothers or sisters who have the same mother

a person in a relationship of half-brothers with different mothers

I have two brothers and a sister.

She has no brothers.

She doesn't have any brothers.