The tech bajillionaire may be up to a neat baker’s dozen of offspring, though only one has made a White House appearance.

Elon Musk, known for his ventures like Tesla and SpaceX, is also a father of 13 with unique names reflecting mythological, ...

Last week, Musk brought his son, X Æ A-Xii — not a typo — to a news conference where the child known as “Lil X” was either the most adorable boy you’ve ever seen, or an impudent monster, depending on ...