Grimes and Elon Musk
Welcome Baby 'X Æ A-12' The Tesla founder took to
Twitter to share the news. Elon Musk,
via Twitter The tech guru also posted that
the couple named their newborn
son X Æ A-12 Musk. Grimes announced her pregnancy in January
before confirming in a March 'Rolling Stone'
interview that Musk was the father. The couple publicly
revealed their
relationship in
May 2018. Musk has five sons from his
previous marriage to author
Justine Wilson.