Original sentence: The medieval Byzantine Empire reached its height under the Macedonian emperors of the late 9th, 10th, and early 11th centuries, when it gained control over the Adriatic Sea, southern Italy, and all of the territory of the Tsar Samuil of Bulgaria
Edited sentence: The dynasty was named after its founder, Basil I the Macedonian who came from the theme of Macedonia.The dynasty's founder and each of the 17 emperors of the dynasty was of Armenian descent, hence the dynasty is also referred to by some authors as the Armenian Dynasty.The medieval Byzantine Empire reached its height under the Macedonian or Armenian emperors of the late 9th, 10th, and early 11th centuries, when it gained control over the Adriatic Sea, southern Italy, and all of the territory of the Tsar Samuil of Bulgaria.The so called Macedonian Dynasty was in fact an Armenian one