Rotrou I, Viscount of Châteaudun

Rotrou I (born before 1031, died 1079), Viscount of Châteaudun and Count of Perche (as Rotrou II), second son of Geoffrey II, Viscount of Châteaudun, and Helvise de Corbon (d. 1 March 1080), daughter of Rainard, Lord of Pithiviers. After the death of William of Gouët in the late 1050s, Rotrou, with the help of Roger de Montgomery, tried to extend his influence for the strongholds of Perche-Gouët. However, William's wife Matilda remarried to Geoffrey, viscount of Mayenne, and was able to fend off the attacks.

Rotrou I, Viscount of Châteaudun

Rotrou I (born before 1031, died 1079), Viscount of Châteaudun and Count of Perche (as Rotrou II), second son of Geoffrey II, Viscount of Châteaudun, and Helvise de Corbon (d. 1 March 1080), daughter of Rainard, Lord of Pithiviers. After the death of William of Gouët in the late 1050s, Rotrou, with the help of Roger de Montgomery, tried to extend his influence for the strongholds of Perche-Gouët. However, William's wife Matilda remarried to Geoffrey, viscount of Mayenne, and was able to fend off the attacks.