Elizabeth
From Gineipaedia, the Legend of Galactic Heroes wiki
The Empress Elizabeth (Japanese: エリザベート) was the wife of the Galactic Empire's first emperor, Rudolf von Goldenbaum. She gave birth to four daughters (pictured). Her grandson, Sigismund I, would succeed Rudolf as the second emperor of the Goldenbaum Dynasty. (LOGH: 'Julian's Journey, Mankind's Journey')