Throughout history, members of royal families have not always died peacefully in bed. Some have abdicated, like Edward VIII, Queen Beatrix of the Netherlands and, this very month, the Japanese Emperor Akihito. Some were despatched bloodily, like Mary, Queen of Scots, Charles I and, of course, Richard III. Those who died peacefully in their beds with their throne still intact, could count themselves fortunate.
So it is interesting to find an article that lists some of these royal redundancies. To read it, please go to this article