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What relation is your sister's aunt's daughter's uncle's son's father to you ?

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

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

What relation is your aunt's sister's father's son's grandfather to you ?

What relation is your sister's aunt's nephew's father in law to you ?

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