Your father's brother is your uncle. His wife is your aunt.
Your wife's brother is your brother-in-law.
My wifes brother in law!
Your father's brother is your uncle.
uncle
uncle
would it be a brother in law? not sure about this one! Is it your husband/wifes daughters brother?
would it be a brother in law? not sure about this one! Is it your husband/wifes daughters brother?
Your grandmother's brother's wife is your great aunt.
cousin
aunt
You would call your wife's elder brother's wife "sister-in-law."
The founding mothers.