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Sister-in-law

 

 
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Sister-in-law
 
 
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A sister-in-law is one's brother's wife, or one's spouse's sister. One's spouse's brother's wife is also considered a sister-in-law. The plural of this term is "sisters-in-law".

Example: Gwyneth and Rob are married. Rob has a brother, Neil, and so Gwyneth is Neil's sister-in-law. Neil will marry Claire, who will then become Rob's sister-in-law. Furthermore, Gwyneth and Claire will become sisters-in-law to one another.








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A sister-in-law is one's brother's wife, or one's spouse's sister. One's spouse's brother's wife is also considered a sister-in-law. The plural of this term is "sisters-in-law".

Example: Gwyneth and Rob are married. Rob has a brother, Neil, and so Gwyneth is Neil's sister-in-law. Neil will marry Claire, who will then become Rob's sister-in-law. Furthermore, Gwyneth and Claire will become sisters-in-law to one another.

See also

  • Affinity (law)
    Affinity (law)

    In law and in cultural anthropology, affinity, as distinguished from consanguinity, is kinship by marriage. It is the relation which each party to a marriage, the husband and wife, bears to the kindred of the other....
  • Brother-in-law
    Brother-in-law

    A brother-in-law is one's sister's husband, or one's spouse's brother. One's spouse's sister's husband is also considered a brother-in-law. The plural of this term is "brothers-in-law"....