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

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

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

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

What relation is your father's wife's daughter's grandmother to you ?

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