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

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

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

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

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

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