Conan de Bretagne, Duc de Bretagne IV
Aft 1137 - 1171 (32 years)(Notes: You may have to scroll down or right to see chart.)
| Constance de Bretagne, Duchesse de Bretagne | |
| B: | 1161 |
| Bretagne, France | |
| D: | 05 Sep 1201 |
| Nantes, Bretagne, France | |
| Conan de Bretagne, Duc de Bretagne IV | |
| B: | Aft 1137 |
| D: | 20 Feb 1170/71 |
| Margaret of Scotland, Countess of Hereford | |
| B: | Abt 1145 |
| D: | 1201 |