Interesting thing in his background. Apparently his mum's parents were Hitler supporters and moved to South Africa from Canada as it was too liberal. Musk's dad talking about it: https://youtu.be/B6e1ES4MLD0?t=200
But the ms went unpublished until 2006, according to wikipedia. Supposedly the book was excerpted in a Sunday supplement magazine, but only in US newspapers. Mysterious!
There's a clip of Elon's dad saying that his caretaker had read the book to him, translating along the way, and so he'd known the name. It also coincides with an in-law's name, so he took that coincidence as a sign. But Errol really did say that the name came from the book.