Conan IV, Count of Bretagne
Abt 1130 - 1171 (41 years)(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Conan IV, Count of Bretagne [1] b. Abt 1130 d. 20 Feb 1170–1171
- Margaret, Duchess of Brittany b. 1154 d. 1201
- 2 Constance, Duchess of Brittany [1.1] b. Abt 1161 d. 5 Sep 1201
- Guy, Viscount De Thouars b. Abt 1155 d. 1213
- 3 Alice de THOUARS [1.1.1] b. 1201 d. 1221
- Pierre Mauclerc de DREUX, Duke of Brittany b. Abt 1187 d. 26 May 1250
- 4 Yolande de DREUX, of Bretagne [1.1.1.1] b. Abt 1218 d. 1272
[ =>]
- 4 John de DREUX, Duke of Brittany [1.1.1.2] b. Abt 1220 d. 1286
- 4 Yolande de DREUX, of Bretagne [1.1.1.1]
- 3 Katherine de THOUARS [1.1.2] b. 1201 d. Yes, date unknown
- 3 Alice de THOUARS [1.1.1]
- 2 Constance, Duchess of Brittany [1.1]