The best example I can think of offhand, I should let this wait, but Peter the Great, the czar of the Russians, who may or may not have beaten his son to death, at least he ordered him tortured.

我现在临时能想到的最好的例子,就是沙皇彼得大帝,本来要等会再说的,彼得大帝是否判处了自己儿子死刑 还有争论,但至少他曾下令用酷刑折磨他的儿子

耶鲁公开课 - 欧洲文明课程节选