Your sister's husband is your brother-in-law but the English language has no special term for the brother of your brother-in-law.
They are sisters in law.
that would be the persons brother-in laws-cousin which would be too frickin far to have any sort of real name!!!!!!
Your brother would call your husbands sister by her first name. Or, "my (sibling's) sister in law.
These people are not related either by blood or by law. There is no name for their relation.
name's
Of course you could. But you're implying to incest and this is definitely not incest.
She has no sisters just a brother
his sisters name is Rachel and his brothers name is Rodney
His sisters name is Lea and his brothers name is Timmy.
Michelle Obama has no sisters, and only one brother. His name is Craig Robinson.
Rihanna's brothers' name are Rajad and Rorrey. Rihanna has no sisters.
Their brother name is Trey Smith he is the half brother of Jaden Smith