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

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

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

What relation is your son's uncle's father's daughter's wife to you ?

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

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