Your brother's wife becomes your sister-in-law.
Yes
You're wife's brother's wife is your sister-in-law.
Your brother's wife is your sister-in-law.
She is sister-wife of Osiris. Seth is also her brother. Nephthys is the sister-wife of Seth, and the sister of Isis.
sister in law
If your brother's sister-in-law is the sister of his wife, she is not related to you. If your brother's sister-in-law is the wife of one of his brothers, and you are a man, she could be your wife, otherwise, she would be your sister-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.
Shwe would be your sister-in-law.
Brother-in-law
Sister In law
Your brother-in-law's sister-in-law could be your sister. She may also be the wife of one of your wife's other brothers, and unrelated to you.
Your brother-in-law's sister-in-law could be your sister. She may also be the wife of one of your wife's other brothers, and unrelated to you.