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

Your

Brother's

Sister's

Father's

Son's

Mother in law

is your MOTHER IN LAW !!

What relation is your aunt's son's mother's sister's grandfather's wife to you ?

What relation is your cousin's sister's father in law's son's uncle to you ?

What relation is your brother's mother's son's uncle to you ?

What relation is your mother's son's cousin's aunt to you ?

What relation is your uncle's son's aunt's nephew to you ?

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