Rosalie Vorvayne was the wife of Hugo Vorvayne, who was the oldest brother of Ekaterin Vorkosigan. She served as representative for the family's interests by delivering a message to Ekaterin regarding the betrothal interests of Alexi Vormoncrief, and was very surprised to learn that Ekaterin was not in the least interested in marrying him. She had a daughter Edie of age similar to Nikki Vorsoisson, Ekaterin's son, and two older sons.