Jakob is a character in the TV show "Sex Education". In season three, Jean reveals to Jakob, her on-and-off boyfriend, that she is pregnant. Although they attempt to rekindle their relationship in order to co-parent the child, Jakob harbors doubts and ultimately insists on conducting a paternity test. After learning that he is not the father of Jeans baby, Jakob decides to leave, marking the end of his involvement in the series. In season four, Jakob is not present, and Jean hints that he left because he is not the father.