Dorca Vorbarra was an Emperor of Barrayar and Count Vorbarra during and after the Time of Isolation. He ascended to the throne through Salic descent, i.e., through his mother's father's claim on the throne. He was known as the Just for breaking the control of the District Counts and unifying Barrayar under a solid central authority. He was the Emperor at the time of the First Cetagandan War. He was the father of Yuri Vorbarra, Xav Vorbarra, Wife of Ezar Vorbarra, and probably some other unnamed daughters.