Yes, your husband’s brothers are your brothers-in-law. But we were talking about a brother-in-law’s brother, which can only happen with the person married to your sister. So, the brother of your sister’s husband is just “extended family.”
But we were talking about a brother-in-law’s brother, which can only happen with the person married to your sister.
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“brother in law’s brother”???
Well my “brother in law’s brother” was also my husband’s brother and also my brother in law and neither was married to my sister.
Perhaps the description is too general, at any rate my brain is too tired. So whatever you say-nuff said.