Your sister's sister is your sister.
Yes, the sister of your spouse (wife or husband) is your sister-in-law. In addition, the wife of your brother is also your sister-in-law.
Sister My Sister was created in 1995.
If your sister in law is your wife's sister then she would be nothing to your sister. However if your sister in law is your brother's wife then she would also be your sister's sister in law.
There are two ways you can have a sister-in-law. In one case, her sister is also your sister-in-law and in the other she is not. Your sister-in-law can be the sister of your spouse. Then your sister-in-law's sister is either your wife or is also your sister-in-law. Your sister-in-law can also be the wife of your brother. In that case, your sister-in-law's sister is not related to you.
Real sister, half sister, or step sister
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The duration of Sister My Sister is 1.48 hours.
Sister
None.Your daughter's husband is your son-in-law and his sister is your daughter's sister-in-law. But the English language does not consider you to be related to your daughter's husband's sister
The English language has no special term for the sister of your sister-in-law if she is the wife of your brother. Her sister is not considered to be related to you.If your sister-in-law is the sister of your spouse, her sister is also your sister-in-law, unless she is your wife.
Your sister and your wife's sister are not related to each other.