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

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

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

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

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

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