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What relation is your father's brother's son's mother's niece's father in law to you ?

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

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

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

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

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