Your brother would call your husbands sister by her first name. Or, "my (sibling's) sister in law.
Your Sister-in-law
Copper - 2012 Husbands and Fathers 1-2 is rated/received certificates of: Netherlands:16
Let's see if we can unravel this. Your sister's husband's father's brother is your sister's husband's uncle. The uncle's daughter is your sister's husband's cousin. There is no relationship to your sister, unless your sister wants to call her a cousin-in-law. To break it down to its simplest terms: She is your brother-in-law's cousin and no relationship to you.
you call her your daughter's husband's sister
Mom
Michael A. Campion has written: 'Especially for husbands' -- subject- s -: Conduct of life, Fathers, Husbands
Your fathers sister or fathers brothers female partner.
brother in law
Yes
fathers elder brother ANSWER: your sister in law........
no, their fathers did unless they were very lucky