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

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

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

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

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

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