Eudes, Seigneur de Montagu1
He gained the title of Seigneur de Montagu.1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Mary de Courtenay1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Agnes de Courtenay1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Geoffrey II de Villehardouin, Prince of Achaia1
He gained the title of Prince of Achaia.1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Eleanor de Courtenay1
Her married name became Montfort.1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Philip de Montfort, Seigneur de Ferté Aleps1
He gained the title of Seigneur de Ferté Aleps.1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Robert de Courtenay, Seigneur de Champignelles1 
He gained the title of Seigneur de Champignelles.1 In 1210 he took part in the French campaign against the Albigensian heretics, under the leadership of Simon de Montfort.1 He held the office of Butler of France in 1223.1 He fought in the Siege of Rochelle in 1224.1 He fought in the Siege of Niort in 1224.1
Children of Robert de Courtenay, Seigneur de Champignelles and Maud de Mahun-sur-Yevre
- Pierre de Courtenay, Seigneur de Conches+1 d. 1250
- Philip de Courtenay, Seigneur de Champignelles1 d. c 1245
- Raoul de Courtenay, Conte di Chieti+1 d. 1271
- Robert de Courtenay1 d. 1279
- Jean de Courtenay1 d. 1271
- William de Courtenay, Seigneur de Champignelles+1 d. 1282
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Maud de Mahun-sur-Yevre1
Children of Maud de Mahun-sur-Yevre and Robert de Courtenay, Seigneur de Champignelles
- Pierre de Courtenay, Seigneur de Conches+1 d. 1250
- Philip de Courtenay, Seigneur de Champignelles1 d. c 1245
- Raoul de Courtenay, Conte di Chieti+1 d. 1271
- Robert de Courtenay1 d. 1279
- Jean de Courtenay1 d. 1271
- William de Courtenay, Seigneur de Champignelles+1 d. 1282
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Philipe, Seigneur de Mahun-sur-Yevre1
Child of Philipe, Seigneur de Mahun-sur-Yevre
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
Philip de Courtenay, Seigneur de Champignelles1 
He gained the title of Seigneur de Champignelles.1
- [S37] BP2003 volume 1, page 1122. See link for full details for this source. Hereinafter cited as. [S37]
