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

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

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

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

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

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