TIL the male head of any Roman family possessed "ius vitae necisque," "the right of life and death," and could legally execute any of his children at any age.

https://en.wikipedia.org/wiki/Roman_citizenship#:~:text=They%20also%20possessed,was%20exceedingly%20rare.

https://www.reddit.com/r/todayilearned/comments/1533cha/til_the_male_head_of_any_roman_family_possessed/