Your wife's sister's husband is your wife's brother-in-law, but is not related to you.
Your wife's brother is your brother-in-law.
Husband and wife relationship is called a marriage.
You are your brother's wife's brother-in-law, if you are male. But your brother's wife can also have brothers-in-law who are not related to you or to your brother. They would be the husband's of the wife's sisters.
I cannot see why not. There is no blood relationship between you and your sisters ex-husband.
A widowed relationship is when the wife's husband dies or gets murdered.
Wife and husband.
Brother-in-law
Sister in law
Nothing, your husband's brother is your brother in law but his wife isnt related
Step-dad
Your sister's husband is your children's uncle. They are his nieces and nephews.
No you can't have a wife, a girlfriend, a husband, a boyfriend, or anything, that involves a relationship.