As we’ve stated, they share four children together, who they welcomed via IVF and surrogacy. Back in 2021, Musk and Zilis welcomed twins via surrogate, named Azure and Strider. They welcomed a daughter named Arcadia in Feb 2024. On Feb 2025, they announced that they welcomed their fourth child together, a son named Seldon Lycurgus.

Elon Musk has welcomed his fourteenth child, and his fourth baby with Shivon Zilis. The pair welcomed their second son together, Seldon Lycurgus.

Musk and Zilis conceived their twins using IVF; the billionaire has conceived 9 of his children using that method. The mother of four has been a mainstay at Mar-a-Lago since last year when Musk set up