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

Your

Sister's

Cousin's

Aunt's

Daughter's

Brother's

Father in law

is your UNCLE !!

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

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

What relation is your daughter's grandfather's wife's husband to you ?

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

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

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