I have this situation...and
>>Sadie's attack on your children doesn't deserve a defensive from you or anyone else.<<
Then stay out of it and stop bursting into threads disrupting and ordering everyone around.
Not your business, Alice (or Betty, or Mary Lou, Susie, or whatever your name is.
Getting back to topic, I only give a key to one relative who lives in the same city, about 5 miles away.
Honestly, the first thing *I would do would be to change the locks, but that's already been covered.
>>Sadie, that is an attack on her children and family.
No it isn't.