Family events
- Married
- 22 Jan 1258/59 — Saint Denis, Seine-Saint-Denis, Île-de-France, France
- Born
- 1239 — Rennes, Ille-et-Vilaine, France
- Died
- 18 Nov 1305 — Lyon, Rhône, France
- Born
- 25 Jun 1242 — Bordeaux, Gironde, France
- Died
- 24 Mar 1273/74 — London, Middlesex, England, United Kingdom
- Buried
- Grey Friars Church, Greenwich, London, Middlesex, England, United Kingdom
Children
- Henry de Dreux
d. 1284
- Arthur de Montfort
1262 – 1312
- John de Bretagne
Abt. 1266 – 17 Jan 1333/34
- Marie de Bretagne de Dreux
Abt. 1265 – 05 May 1339
- Pierre de Dreux
Abt. 1269 – 1312
- Blanche de Bretagne
Abt. 1270 – 1327
- Alice de Dreux
1274 – Abt. 1329