Geoffrey VI (Geoffroy VI) (died 8 February 1250) was a Viscount of Châteaudun. He was the son of Geoffrey V, Viscount of Châteaudun, and Adelicia de Nevers. Although Adelicia's ancestry is not precisely known, she is likely the daughter of William IV, Count of Nevers, and Eléonore, Countess of Vermandois.
- Citizenship
- Q1562836
- Born
- 1200
- Died
- February 6, 1250, February 6, 1250
