Your brother's mother's son's sister+in+law is your which relation ?

Your

Brother's

Mother's

Son's

Sister in law

is your SISTER IN LAW !!

What relation is your father's son's aunt's brother in law to you ?

What relation is your cousin's brother's aunt's husband to you ?

What relation is your aunt's nephew's father in law's daughter to you ?

What relation is your aunt's sister's cousin's brother to you ?

What relation is your grandmother's grandson's uncle's brother to you ?

What relation is your sister's cousin's brother's aunt to you ?