"No females"@en . . "Unknown, if any, male children"@en . "Early Systems Commonwealth"@en . "Yoweri XXIII was the Vedran Empress and leader of the Systems Commonwealth in its early years. She ruled for several decades, and throughout her life did not produce any daughters to succeed her. When she died without an heir in C.Y. 2937, it provoked the Systems Commonwealth's War of Succession. The war lasted 6 decades, and devastated over 1,000 allied worlds. However, by C.Y. 3336, the war had been over for quite some time."@en . "Yoweri XXII"@en . "Dead"@en . "Paa Core"@en . "Female"@en . . . "Yoweri XXIII"@en . "C.Y. 2937"@en . . . "Empress"@en . "Systems Commonwealth"@en . . "Tarn-Vedra"@en . "Approximately C.Y. 2800"@en . "Yoweri XXIII was the Vedran Empress and leader of the Systems Commonwealth in its early years. She ruled for several decades, and throughout her life did not produce any daughters to succeed her. When she died without an heir in C.Y. 2937, it provoked the Systems Commonwealth's War of Succession. The war lasted 6 decades, and devastated over 1,000 allied worlds. However, by C.Y. 3336, the war had been over for quite some time."@en . "Imperial Palace"@en . . "Yoweri XXIII"@en . "Andromeda"@en . . "Unknown"@en .