She was attacked by a pit bull as a child and it injured her mouth. Not a stroke.
Sometimes tying a pork chop around the neck of an awkward child is not the best idea.
I read that she had Bell’s Palsy.
Bell’s palsy is a paralysis or weakness of the muscles on one side of your face. Damage to the facial nerve that controls muscles on one side of the face causes that side of your face to droop. The nerve damage may also affect your sense of taste and how you make tears and saliva.
Bell’s Palsy Causes, Symptoms, Treatments - WebMD
webmd.com/brain/tc/bells-palsy-topic-overview