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

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

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

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

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

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