ya ive had dreams like that before, not really about my family but once i had a dream about a really good friend i know and he was like black and white like in an old movie and he looked like he just wanted to kill me and he slowly walked at me and it freaked me out for awhile.
In my dreams my family members are usually only dumb
but I’ve had some dreams (not lately) where my friends were some kind of insane murderers 
One time, my family was possesed by the devil. It was probably my worst nightmare I’ve ever had- and I couldn’t wake up!
Hrm… evil family…
My dad’s been a serial killer in it… one of the killers that I’ve solved in my reoccurring detective dream theme
My family die more often than they’re evil so…
/me doesn’t like family
I get dreams with evil (or at least extremely opposed to my interests) family sometimes. Strangely; it’s always my mom. If my dad enters the dream at all, he’s just backing her up.