Your brother-in-law's first cousin's daughter is hisfirst cousin, once removed. However, the English language has no term or phrase describing your relationship to that person, with whom you share no ancestry.
If your brother adopted you, you are his son or daughter and his in-laws are your grandparents by adoption.
There would be no relationship as you do not share a common ancestor. If your brother-in-law is married to your sister, then her daughter is your niece, her husband would be referred to as your niece's husband.
If your brother-in-law's daughter is by your sister, she is your niece. If your brother-in-law's daughter is by someone else, she is genealogically not in your family tree.
great uncle inlaw
Your daughter-in-laws sister. There is no relationship as you do not share a common ancestor.
There is no genealogical relationship. He is just your son-in-law's brother.
no because this can only happen in Muslim code of laws
Your brothers' in-laws are an attachment to your family by marriage, so they would be classified as in-laws by yousome people call them familys in lawsome call the second cousins
Your wife's sister's husband is your wife's brother-in-law, but is not related to you.
You aren't. You do not share a common ancestor.
Your mom's uncle's daughter is your mothers first cousin. Their son would be your second cousin.
They are brother-in-laws.