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

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

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

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

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

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