From OUP Blog comes this article by Simon Maclean, author of "Ottonian Queenship: Powerful Women in Medieval Germany":
The Ottonians were one of the great dynasties of medieval European history, and are traditionally regarded as the founders of Germany. They began as mere dukes of Saxony, but in 919 acquired the kingship and gradually became the most powerful and successful of all the royal dynasties who ruled Europe in the tenth century. Five members of the family ruled East Francia—the common contemporary name for the territory now called Germany—between 919 and 1024.
But what makes the Ottonian family really stand out is the remarkable power of their wives and daughters.There were six Ottonian queens, and they rank among the most famous and powerful female rulers of the entire Middle Ages.
read more here at OUP Blog
read more here @ Women of History - Eadgyth of Wessex