Your sister's brother's cousin's grandfather is your which relation ?

Your

Sister's

Brother's

Cousin's

Grandfather

is your GRANDUNCLE !!

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

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

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

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

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

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