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

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

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

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

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

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