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

Your

Cousin's

Sister's

Brother's

Mother's

Brother in law

is your UNCLE !!

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

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

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

What relation is your father's daughter's mother's husband to you ?

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

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