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

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

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

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

What relation is your aunt's son's sister's daughter in law to you ?

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