No, your brother’s brother-in-law is not related to you unless you and your brother both married children of the same parents and they had another brother. but the the brother-in-law relationship is not through your brother and his marriage, but because he is the brother of your spouse.
Technically, the proper introduction would be, “This is my brother’s brother-in-law” as there is no direct relationship between the two of you.
If you treasured this article and you would like to be given more info relating to erotica generously visit our own web page.