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

Your

Cousin's

Aunt's

Brother's

Son's

Sister's

Brother in law

is your BROTHER IN LAW !!

What relation is your grandmother's grandson's sister's daughter in law to you ?

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

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

What relation is your brother's uncle's daughter's brother in law to you ?

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

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