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

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

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

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

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

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