Here are the possible solutions for your brother's son's sisters clue
Answer
Clue
Relevancy
nieces
Clue
Your brother's son's sisters
Your sister's son's sisters
Sister's son's sisters
Definition
NIECE, a daughter of one's brother of sister
alex
Clue
One of the sisters in "Sisters"
lee
Clue
One of Hannah's sisters in "Hannah and Her Sisters"
Definition
(Scots) to lie, make a false statement
masha
Clue
One of the sisters in Chekhov's "Three Sisters"
niece
Clue
Your brother's son's sister
Definition
a daughter of one's brother of sister
reefermadness
Clue
1930s anti-marijuana propaganda film that ends with the principal of a school saying, "The next tragedy may be that of your daughter...or your son...or yours or yours..." [points at the camera] "... o