Referring to a girl, a woman says, "She is the daughter of my son-in-law's wife's son’s brother." So how is that woman related to that girl?

Referring to a girl, a woman says, "She is the daughter of my son-in-l

1.	Referring to a girl, a woman says, "She is the daughter of my son-in-law's wife's son’s brother." So how is that woman related to that girl?
A.	Mother
B.	Great Grandmother
C.	Aunt
D.	Grandmother
Answer» C. Aunt