Your aunt's brother+in+law's daughter's brother's grandfather is your which relation ?

Your

Aunt's

Brother in law's

Daughter's

Brother's

Grandfather

is your GRANDUNCLE !!

What relation is your mother's son's grandmother's grandson to you ?

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

What relation is your daughter's grandmother's son's wife to you ?

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

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

What relation is your aunt's daughter's mother's niece to you ?