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

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

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

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

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

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