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

What relation is your aunt's niece's father in law's son to you ?

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

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

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

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