Musk’s girlfriend and singer, Grimes, welcomed X Æ A-Xii — pronounced “X Ash A-12” — to the world in May.
“The Second Last Kingdom,” Musk tweeted with the photo of himself holding his son while he speaks on the phone.
The Second Last Kingdom pic.twitter.com/Je4EI88HmV
— Elon Musk (@elonmusk) February 6, 2021
Musk, the richest man in the world behind Amazon founder Jeff Bezos, according toBloomberg’s Billionaires Index, first tweeted about X Æ A-Xii on May 4, writing, “Mom and baby all good.” He later posted a photo with the newborn on May 5.
A pic of you holding the baby would break the internet … please share one 🤞
— Viv 🐉 (@flcnhvy) May 5, 2020
The music artist Grimes, 32, confirmed that Musk was the father in a Rolling Stone interview in March.
Musk has five sons from his previous marriage to author Justine Wilson.
Fox Business’ Ken Martin contributed to this report.