Relationship Finder

What is my husband's brother's wife to me?

Your husband's brother's wife is your sister-in-law (also called co-sister-in-law). She is related to you by marriage, not by blood.

Diagram: how your husband's brother's wife is related to youYouHusbandHusband's parentscommon ancestorsBrother-in-lawSister-in-lawthem

you them common ancestors double line: marriage

You married siblings. Dictionaries count your spouse's sibling's spouse as a sister-in-law; some people say co-sister-in-law to be precise. Some languages have a word for it (Hindi “devrani/jethani”, Spanish “concuñado/concuñada”).

Your husband's brother's wife is your sister-in-law: dictionaries include "the wife of one's spouse's brother". Some people say co-sister-in-law to show you married brothers. Some languages have their own word (Hindi devrani/jethani, Spanish concuñada).

How we worked it out

Follow the chain one step at a time:

  1. Your husband: husband
  2. Your husband's brother: brother-in-law
  3. Your husband's brother's wife: sister-in-law

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    Related questions

    Is my husband's brother's wife my sister-in-law?
    Yes. A sister-in-law is your spouse's sister, your brother's wife, or your spouse's brother's wife. She is not a blood relative.
    What is my wife's sister's husband to me?
    Your brother-in-law (some say co-brother-in-law).

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