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

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

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

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

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

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