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

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

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

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

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

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