Who Is Elon Musk’s Daughter Named X Æ A-Xii
Elon Musk and musician Grimes confirmed the birth of their son in May 2020, with the child’s official name listed as X Æ A-Xii on California birth records. The name combines the letter X, the acronym Æ for Artificial Intelligence, and A-Xii, a reference to the aircraft model. Musk has explained the name in interviews and on social media, linking it to his interest in technology and the future of humanity source.
California law allows a limited set of characters in birth names, and the name X Æ A-Xii was later adjusted in pronunciation to “X Ash A Twelve” to comply with state naming rules. The child is the eldest of Musk’s children from his relationship with Grimes and is part of a broader family that includes siblings from his previous marriage to Justine Wilson source.
What Does the Name X Æ A-Xii Mean
Musk has described the name as a combination of the unknown variable X, the AI symbol Æ, and A-Xii, which refers to the Lockheed Martin SR-71 reconnaissance aircraft. The Æ character is pronounced as “ash,” and the suffix A-Xii is a tribute to the aircraft model number. The name reflects Musk’s focus on technology, aerospace, and futuristic themes.
The name quickly became a global topic after the birth announcement, with linguists and legal experts discussing its compliance with naming conventions. The child’s legal name on official documents uses characters permitted under California law, and the pronunciation guide clarifies how the name is spoken in daily use source.
Elon Musk’s Full Family and Children
Musk has ten children in total, including five sons from his first marriage to Justine Wilson, who were twins born in 2004 and triplets in 2006. One of the twins, Nevada Alexander Musk, died of sudden infant death syndrome at ten weeks old. The surviving children from that marriage are Griffin, Xavier, Kai, Saxon, and Damian.
With Grimes, Musk has two children: X Æ A-Xii, born in 2020, and a younger son whose name has also drawn public attention. Musk has also referenced the possibility of additional children through surrogacy and IVF, consistent with his public statements about family planning and population growth source.