Made up, and pretended to be!
Love these books, please write more!

Murderbot refers to 'Consultant Rin' as female in Rogue Protocol - "Wilken muted her comm and feed and said, “Any word from Consultant Rin?” “No, the station feed isn’t accessible from here.” Which Wilken knew. “I may be able to reach her on comm if you need to speak to her.”