If your brother-in-law is your spouse's brother, then his father is your father-in-law - because he is your spouse's father. If your brother-in-law is your sister's husband, then his father is not your father-in-law.
Your mother-in-law's brother is your spouse's uncle, but is not related to you.
If your sister-in-law is your spouse's sister, her brother is your spouse's brother and therefore is your brother-in-law, or perhaps your husband. If your sister-in-law is the wife of your brother, her brother is your brother's brother-in-law but is not related to you. The English language has no relationship term for the brother of your sibling's spouse.
If you have no siblings but your daughter has an uncle, he is the brother of your spouse, your brother-in-law.
Your brother-in-law's wife may be your sister.However, if your bother-in-law is the brother of your spouse, his wife is not your sister and the English language has no special term for her relationship to you. It is easiest to call her "my brother-in-law's wife."
The spouse of your sister's brother-in-law is not related to you.
Your brother's wife is your sister-in-law. Your spouse's sister is also called your sister-in-law. Your sibling's husband is your brother-in-law; your spouse's brother is also called your brother-in-law.
Devar in Hindi and Koludan in Tamil. In English, your spouse's brother is your brother-in-law.
Your brother's wife is your sister-in-law. Your spouse's sister is also called your sister-in-law. Your sibling's husband is your brother-in-law; your spouse's brother is also called your brother-in-law.
Your brother-in-law is either your spouse's brother or the husband of your sister.
Your brother-in-law is either your spouse's brother or the husband of your sister.
Your brother-in-law is either your spouse's brother or the husband of your sister.
If your brother-in-law is your spouse's brother, then his father is your father-in-law - because he is your spouse's father. If your brother-in-law is your sister's husband, then his father is not your father-in-law.
If your brother-in-law is your spouse's brother, then his sister's daughter is your spouse's niece, and your niece, too. If your brother-in-law is your sister's husband, then his sister is not related to you, and neither is her daughter.
Your brother-in-law is the brother of your spouse or the husband of your sister.
The single word for wife brother's is Brother in Law
The English language has no special term for the siblings of your cousin's spouse, other than calling them "my cousin's brother-in-law" or "my cousin's sister-in-law."