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

What relation is your mother's daughter's aunt's nephew's father in law to you ?

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

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

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

What relation is your aunt's daughter's father's cousin to you ?