Nephew and niece

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In the language of kinship, a niece is a daughter of a person's sibling, and the nephew is the son of a person's sibling. Conversely, that person is the aunt or uncle of their nibling (niece or nephew). A half-niece is a daughter of a person's half-sibling and half-nephew is the son of a person's half-sibling.

A niece-in-law is sibling's daughter-in-law or spouse's sibling's daughter. A co-niece-in-law is spouse's sibling's daughter-in-law.

The nephew-in-law is sibling's son-in-law or spouse's sibling's son. The co-nephew-in-law is spouse's sibling's son-in-law.

Variation of terms[change | change source]

  • sororal niece: sister's daughter.
  • sororal nephew: sister's son.
  • fraternal niece: brother's daughter.
  • fraternal nephew: brother's son.

Grandniece and grandnephew[change | change source]

A grandniece/great-niece is a granddaughter of one's sibling. A half-grandniece/half-great-niece is a granddaughter of one's half-sibling. A grandniece-in-law/great-niece-in-law is sibling's granddaughter-in-law or spouse's sibling's granddaughter. A co-grandniece-in-law/co-great-niece-in-law is spouse's sibling's granddaughter-in-law.

The grandnephew/great-nephew is a grandson of one's sibling. A half-grandnephew/half-great-nephew is a grandson of one's half-sibling. A grandnephew-in-law/great-nephew-in-law is sibling's grandson-in-law or spouse's sibling's grandson. A co-grandnephew-in-law/co-great-nephew-in-law is spouse's sibling's grandson-in-law.

Great-grandniece and great-grandnephew[change | change source]

A great-grandniece/great-great-niece is a great-granddaughter of one's sibling. A half-great-grandniece/half-great-great-niece is a great-granddaughter of one's half-sibling. A great-grandniece-in-law/great-great-niece-in-law is sibling's great-granddaughter-in-law or spouse's sibling's great-granddaughter. A co-great-grandniece-in-law/co-great-great-niece-in-law is spouse's sibling's great-granddaughter-in-law.

The great-grandnephew/great-great-nephew is a great-grandson of one's sibling. A half-great-grandnephew/half-great-great-nephew is a great-grandson of one's half-sibling. A great-grandnephew-in-law/great-great-nephew-in-law is sibling's great-grandson-in-law or spouse's sibling's great-grandson. A co-great-grandnephew-in-law/co-great-great-nephew-in-law is spouse's sibling's great-grandson-in-law.

References[change | change source]

  •  Chisholm, Hugh, ed. (1911). "Nephew" . Encyclopædia Britannica. 19 (Eleventh ed.). Cambridge University Press.