Complex sentence: When he was a boy, his father was punished for standing up, to a slave owner, receiving one hundred lashes and having his right ear nailed to the whipping post, and then cut off.
Split into simpler sentences: When he was a boy, his father was punished for standing up to a slave owner, for which he received one hundred lashes. In addition, his right ear was nailed to the whipping post and then cut off.