Your cousin's sister's father+in+law's daughter's brother+in+law is your which relation ?

Your

Cousin's

Sister's

Father in law's

Daughter's

Brother in law

is your BROTHER IN LAW !!

What relation is your brother's cousin's mother's brother in law to you ?

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

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

What relation is your cousin's sister's mother's daughter to you ?

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

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