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

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

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

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

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

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