Marriage Alliances in the Middle Ages

When the carolingians died out, a saxon named henry the fowler had emerged as the leader of that region. His son was otto, who would eventually become otto the great. Otto's reign marks the effective beginning of the holy roman empire in the east. And his father noticed that the two most important leaders in the west were now allied with athelstan. He thought it might be a good idea to get in on some of that action by marrying one of his sisters. In nine 28, henry married his son otto to another sister of athelstan named edith. So now athelstan was also brother in law to the heir of