Children |
| 1. Bretagne, Duke Arthur II, b. 25 Jul 1262, of, Rennes, Ille-Et-Vilaine, France , d. 27 Aug 1312, Castle Of Ile, Roche Bernard, Morbihan, France (Age 50 years) |
| 2. Bretagne, Princess of Bretagne Blanche, b. Abt 1264, of, Rennes, Ille-Et-Vilaine, France , d. 19 Mar 1327, , Vincennes, Seine, France (Age ~ 63 years) |
| 3. Bretagne, Prince of Bretagne Jean, b. 1266, of, Rennes, Ille-Et-Vilaine, France , d. 17 Jan 1333, Dsp, , , France (Age 67 years) |
| 4. Bretagne, Princess of Bretagne Marie, b. 1268, of, Rennes, Ille-Et-Vilaine, France , d. 5 May 1339, , , , France (Age 71 years) |
| 5. Bretagne, Prince of Bretagne Henri, b. Abt 1270, of, Rennes, Ille-Et-Vilaine, France , d. 1284, , , , England (Age ~ 14 years) |
| 6. Bretagne, Prince of Bretagne Pierre, b. Abt 1272, of, Rennes, Ille-Et-Vilaine, France , d. 1312, Sp (Age ~ 40 years) |
| 7. Bretagne, Princess of Bretagne Elsonore, b. 1275, of, , , England , d. 16 May 1342, , Fontevrault L'Ab, Maine-et-loire, France (Age 67 years) |
| 8. Bretagne, Prince of Bretagne Guy, b. Abt 1277, of, Rennes, Ille-Et-Vilaine, France |
| 9. Bretagne, Princess of Bretagne Alice, b. Abt 1279, of, Rennes, Ille-Et-Vilaine, France |
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