I’ve noticed that many monarchs and Lords died in their 40’s of ‘sudden illness’.
I know hygiene wasn’t very well practiced in those days and food spoilage was common as was plague, consumption (TB), etc, but I’m betting many were poisoned...................
They died of TB, Plague, probably influenza, measles, etc. Generally when someone was snuffed, it was under torture, or via knife in the ribs, smothering, strangling...