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

What relation is your son's uncle's brother's grandmother to you ?

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

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

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

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