In 2001, I noticed something fun. One of the main characters in Vernor Vinge's 1999 novel A Deepness in the Sky is Qiwi Lin Lisolet. One of the main characters in his 1986 novel Marooned in Realtime is Marta Korolev, and her full name is given at one point as Marta Qih-hui Qen Korolev. Aha, they have the same name — “Qiwi” appears to be a modified spelling of “Qih-hui”.
I emailed Vinge about this:
He replied “Wow!”
Vinge told me that although they did indeed have the same name, and he did intend “Qiwi” to have been be descended from the real Chinese name “Qih-hui”, his repeated use of the name was an unintended coincidence, and he hadn't been aware that he had done it until I pointed it out.