The territory of the Free State of Saxony became part of the Holy Roman Empire by the 10th century, when the dukes of Saxony were also kings (or emperors) of the Holy Roman Empire, comprising the Ottonian, or Saxon, Dynasty.
The territory of the Free State of Saxony became part of the Holy Roman Empire by the 10th century. The dukes of Saxony were also kings (or emperors) of the Holy Roman Empire. The dukes of Saxony were comprising the Ottonian. The dukes of Saxony were comprising Saxon, Dynasty.