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

Your

Cousin's

Brother's

Aunt's

Brother in law

is your UNCLE !!

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

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

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

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

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

What relation is your sister's grandmother's grandson's grandfather to you ?