<P> A nephew is a son of a person 's sibling , and a niece is a daughter of a person 's sibling . Conversely , that person is the aunt or uncle of their niece or nephew . The gender - neutral term encompassing both nephews and nieces is nibling . The relationship of aunt / uncle to niece / nephew is an example of second - degree relatives , meaning that their coefficient of relationship is 25 % . </P>
<P> A nephew is a son of a person 's sibling , and a niece is a daughter of a person 's sibling . Conversely , that person is the aunt or uncle of their niece or nephew . The gender - neutral term encompassing both nephews and nieces is nibling . The relationship of aunt / uncle to niece / nephew is an example of second - degree relatives , meaning that their coefficient of relationship is 25 % . </P>
brother 's daughter is called as in english
brother 's daughter is called as in english
niece
niece