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

What relation is your cousin's father in law's daughter's daughter in law to you ?

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

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

What relation is your daughter's grandfather's mother's grandson to you ?

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