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

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

What relation is your sister's cousin's mother's son's father in law to you ?

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

What relation is your brother's mother's husband's wife's son's father to you ?

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