General Zod in “Unfinished Business”

General Zod

[to Seg-El] You're not willing to sacrifice the life of one man to save millions? What if one of those millions of lives was your own, hmm? The reason is took so long for me to figure out that you were my father, was that my mother never told me very much of you. She was too grief-stricken. All she ever said that you were lost in the bottling of Kandor.