Figure out why he's spying and then you'll know what to do. prank him take away something he enjoys doing. which should work unless he enjoys stalking his sister.Trick him into a situation that he wont want to see and he will never ant to spy on her again.i think its nice of you trying to help your daughter.Tell him no dessert till he stops either ;P
She's Not
If your sister-in-law is the sister of your spouse, her son is not related to your sister's son. If your sister-in-law is the wife of your brother, her son and your sister's son are first cousins.
turn off your location
Chew him out. Put a note in his hiding spot that reads that you know he's spying. Then when you see him spying, lecture him.
Quit spying, stop gathering information on people that are innocent.
Have him trade rooms with his sister. Also, call an exterminator.
Your sister's son is not related to your husband's sister's son, because they share no common ancestor.
Your sister is your son's aunt. Your sister's daughter is your sons first cousin. Your sister's daughter's son (your sister's grandson) is your son's first cousin, once removed.
The son of your sister is your nephew.
No. Your sister's husband is your brother-in-law, but his sister (and her son) are not related to you. However, that son is your sister's nephew.
Your sister is your son's aunt. Your sister's daughter is your sons first cousin. Your sister's daughter's son (your sister's grandson) is your son's first cousin, once removed.
Your sister's son, is your nephew.