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

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

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

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

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

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