The problem is that Trump's depravity is recognized and could potentially result in trial and imprisonment now in the modern age. If a monarch acted the way he does, there'd be whispers among the help but otherwise he'd be regarded as just another aristocrat.

Sex with kids wasn't even a major scandal until the 1970s. (The Satanic Panic was essentially a reaction to researchers discovering that a large chunk of the male adult population would gladly have sex with children, including their own daughters if they were drunk enough.)

Hence when Daenerys Targaryen was only ~~fourteen~~ thirteen when she first performed her marital duties with Khal Drogo, modern audiences were aghast while historians thought that tracks.

I think he is at least the current champion. I can’t even imagine anyone beating his record