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

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

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

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

What relation is your aunt's nephew's uncle's brother to you ?

What relation is your brother's grandmother's grandson's wife to you ?