Your sister's husband's sister's daughter might be called your brother-in-law's niece, although that is less specific than calling her your brother-in-law's sister's daughter.
There is no term in the English language for a relationship between you and that person. You are not considered to be related.
Your wife's brother's daughter is her niece, and, as long as you are married to your wife, your niece as well. Your wife is the girl's aunt and you are her uncle.
She would be your niece-in-law.
Your niece.
niece
Your brothers ( or sisters ) daughter is your ( niece )
Your brother or sister's daughter is called 'your niece.'
They are sisters in law.
My brothers-in-law are my sisters' misters. I don't know which of the sisters' husbands he is.
If she is your sisters daughter then she is your neice :)
Well, it depends how close you are to your husbands family. If you really want to know they are cousins-in-law.
spain
yes
she would be your grandmals sisters sons daughter =)
She is your niece.
Its would be your neice
brother in law