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

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

What relation is your sister's father's wife's son's nephew to you ?

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

What relation is your daughter's grandmother's sister's niece's son to you ?

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