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

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

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

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

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

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