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

Your

Father's

Sister's

Daughter's

Brother's

Brother in law

is your BROTHER IN LAW !!

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

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

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

What relation is your father's mother's grandson's grandfather to you ?

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

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