Taiwan is Humfrey's second wife after Dara, whom he married mainly so his son Dafrey would have a mother. She left Humfrey when he abdicated the throne and went in search of Castle Roogna. Taiwan studied physics at Squeedunk University and finished her first semester of her senior year prior to arriving in Xanth. She and Maidens China, Japan, and Mexico were on a flight together which was hit by lightning. They were saved by Demoness Nan O'Tek and brought to Xanth in exchange for her lifetime loyalty.