Your brother's father's son's grandfather is your which relation ?

Your

Brother's

Father's

Son's

Grandfather

is your GRANDFATHER !!

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

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

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

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

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

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