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

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

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

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

What relation is your uncle's daughter's mother's nephew's brother in law to you ?

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