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The tech billionaire fathered six children with his first wife, Justine Wilson.

AsBountynotes, the German-origin name could either refer to a “dagger” or “a short sword.”

Elon Musk talking in a black MAGA hat

Elon’s next set of children came from Canadian singer Grimes, and their names were off-the-charts unusual.

The “Oblivion” singer explained that they named Exa after the computing term exaFLOPS.

Dark matter is the beautiful mystery of our universe."

Elon Musk and Grimes posing for photos

However, the little girl was known simply as Y around their household.

Although we never got an explanation for the name choice, the couple apparently call him Tau.

A collapsing birth rate is the biggest danger civilization faces by far."

Elon Musk at Donald Trump’s inauguration

According toReuters,the pair had a platonic relationship and conceived their children through IVF.

In typical fashion, neither parent commented on their reasons for choosing such unique names.

Generally speaking, though, Arcadia is meant to represent a serene region, perAncestry.com.

Middle name Lycurgus is likely a reference to a Greek lawmaker who was integral in creating the Spartan lifestyle.