Counts and viscounts of Châteaudun
The County of Châteaudun was held in the 9th century by counts who also held the County of Blois. Theobald I was the first viscount of Châteaudun with the appointment of Geoffrey I, founder of the House of Châteaudun. The viscounts were in charge of the government of the county of Châteaudun.[1]
Counts of Châteaudun
These are the known counts of Châteaudun:[2]
- William (through 834), also count of Blois, reportedly killed by Hastein, Viking chieftain and compatriot of Björn Ironside, son of Ragnar Lothbrok.
- Odo I (834–871), brother of Robert the Strong (count of Anjou), also count of Troyes, Anjou and Blois.
- Odo II (871–886), son of the previous, also count of Troyes
- Robert I (through 886), son of the previous, also count of Troyes
- Adalelm (886–894), nephew of the previous, also count of Troyes.
The period between Adalelm and Theobald is uncertain, but may have been filled by Counts Warnelad and Gello.
- Theobald the Trickster (through 975), also count of Blois and Chartres
- Odo I (975–996), son of the previous, also count of Blois and Chartres
- Theobald II (996–1004), son of the previous and stepson of Robert the Pious, also count of Blois and Chartres
- Odo II (1004–1037), brother of the previous, also count of Troyes, Blois, Chartres, Beauvais and Tours.