Doctor Georg Vorthys was an Imperial Auditor, Vor noble, and university professor on Barrayar. When he and Miles Vorkosigan were sent to investigate the Komarr Soletta Incident, they stayed in the home of his niece, Ekaterin Vorsoisson. Later, she and her son Nikki lived for a time in his home in Vorbarr Sultana while taking classes at the university.