Brother-in-law
No. The sister is a relation, and her husband is an in-law. The husband's brother is no biological relation either. Therefore, the great granddaughter of the husband's brother is not a relation.
Your husband's big brother is your brother-in-law. If your husband has a little brother, he is also your brother-in-law.
Your husband's brother's wife or your husband's sister's husband have no relation to you. Your brother's or sister's wife or husband is called a sister or brother in-law. You are only related by the marriage between them and your sibling.
brother-in-law
The brothers of your husband are your brothers-in-law.
Your husband's niece is your niece, too. You and your husband are her aunt and uncle. Your brother is not related to a niece of yours who is the daughter of your husband's sibling.
Your spouse's sister is your sister-in-law and your spouse's brother is your brother-in-law. The English language has no term for a relationship between you and the wife of your brother-in-law or the husband of your sister-in-law. The best you can do in English is to use "my sister-in-law's husband" and similar phrases.
yes because there is no blood relation
You are not related as you do not share a common ancestor.
My husband's sister-in-law or my brother-in-law's wife. She is in no legal relation to you.Most people would just refer to her as your SIL as well, but technically she's just your husband's sister-in-law or your brother-in-law's wife.
I think it is appropriate to call him your brother.
If your daughter's brother-in-law is the brother of your son-in-law he is not otherwise related to you.If your daughter's brother-in-law is husband of her sister, then he is your son-in-law.