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

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

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

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

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

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