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

What relation is your daughter's grandfather's sister's brother in law to you ?

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

What relation is your cousin's brother's aunt's brother in law to you ?

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

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