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

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

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

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

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

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