“Aw, that rmeans so much to me. Thank you,” she replied, ending her message with a heart emoji.
The love story between Elon Musk and Zilis, currently a senior executive at Musk’s nanotechnology company, Neuralink, is shrouded in mystery. All we know is that they welcomed twins Azure and Strider in November 2021 (just one month before the birth ofExa Dark Sideræl, Musk’s second child with singer Grimes), followed by Arcadia in 2024 and finally Sheldon in 2025.
More offspring of the tech bajillionaire keep emerging, though only one has made a White House appearance.
It was in a tweet celebrating their third child’s birthday that Zilis announced the birth of their youngest: “Discussed with Elon and, in light of beautiful Arcadia’s birthday, we felt it was better to also just share directly about our wonderful and incredible son Seldon Lycurgus,” Zilis tweeted on February 28, 2025. “Built like a juggernaut, with a solid heart of gold. Love him so much.” The baby’s middle name is a reference to Lycurgus, the lawgiver of Sparta, a presumed reflection of Musk’s passion for the Roman Empire.
Zilis is mother to only a fraction of Musk’s offspring. He had his first child, Nevada Alexander, with then-wife, Justine Wilson in May 2002, but the baby died of complications related to sudden infant death syndrome at 10 weeks old. Two years later, the couple welcomed twins Griffin and Vivian. In 2006, the couple had triplets: Kai, Saxon, and Damian. They parted ways two years later.
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