His mother Grimes began dating Elon Musk, who had been her longtime partner. She has not disclosed the history of the relationship because she is a private individual. But they connected online. After thereafter, on May 7, 2018, the couple made an announcement about their relationship. Later, on January 8, 2020, she announced that she and her partner are expecting a child.
After then, on May 4, 2020, they gave birth to a son and gave him the name X A-12. The name was then modified to X Æ A-Xii. In December 2021, the couple had their second child. It’s a surrogate daughter who was born. Their daughter was given the name Exa Dark Siderael Musk, and she goes by the nickname “Y.”