978
Frederick I, duke of Upper Lorraine
Frederick I, duke of Upper Lorraine
Frederick I, duke of Upper Lorraine
Frederick I, Duke of Upper Lorraine
Lotharingian nobleman (c. 912–978)
- Died
- 978
Frederick I was the count of Bar and duke of Upper Lorraine. He was a son of Wigeric, count of Bidgau, also count palatine of Lorraine, and Cunigunda, and thus a sixth-generation descendant of Charlemagne.