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

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

What relation is your mother's daughter's grandfather's wife's grandson to you ?

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

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

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