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

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

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

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

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

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