Elon Musk and Neuralink’s Shivon Zilis have welcomed their 14th child, Seldon Lycurgus, named after a sci-fi icon and Spartan lawmaker, while hinting at a daughter, Arcadia, inspired by Greek mythology. Reflecting Musk’s views on population growth, the announcement ties his growing family—now 14 strong—to a legacy of culturally rich, unconventional names.