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 and Shivon Zilis recently welcomed their fourth child, Seldon Lycurgus. Zilis shared the news on X, reflecting on their blended family and the joy of their children, including twins Strider and Azure and daughter Arcadia.