Justinian was Emperor of the Eastern Roman Empire, and is sometimes called "the last Roman," because he was the last emperor to speak Latin as his first Language.Mosaic of Iustinianus I - Basilica San Vitale (Ravenna).
New evidence suggests the Black Death bacterium caused the Justinianic Plague of the sixth to eighth centuries. The pandemic, named after the Byzantine emperor Justinian I (shown here), killed more than 100 million people.
Theodora I (c. 500 – 28 June Empress of the Roman (Byzantine) Empire and wife of Emperor Justinian I. Detail from century mosaic "Empress Theodora and Her Court”, Basilica of San Vitale in Ravenna via Wikipedia.