Stephanie's friend Catherine Oxenberg has written a book about rescuing her daughter from the Bronfman sex cult in NYC after her daughter was branded. I think it was on the TV show Dr Oz that they showed a pic of Stephanie and Catherine in the 80s or 90s back in the day. Courageous mom!
Maybe it was Covid-related. If I recall she had a gravelly voice, so maybe a former smoker? That could have been an immune weakness. Pity. When you live in such a blessed climate, near the sea with lots of sun, people imagine you will live to a ripe old age.