Alan IV Fergant Duke of Brittany
- 1119(
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- 1 Alan IV Fergant Duke of Brittany [1] d. 13 Oct 1119
- Ermengard of Anjou d. 1 Jun 1147
- 2 Conan III 'Le Gros' Duke of Brittany [1.1] b. Abt 1071 d. 1148
- Matilda\Maud of England d. Yes, date unknown
- 3 Hoel of Brittany [1.1.1] d. Yes, date unknown
- 3 Constance of Brittany [1.1.2] d. 1148
- + Geoffrey De Mayenne d. 1169
- + Geoffrey De Mayenne d. 1169
- 3 Bertha De Cornouailles of Brittany [1.1.3] d. Bef 1167
- Alan III (Gregan) The Black 1st Earl of Richmond b. Bef 1100 d. 15 Sep 1146
- 4 Reginald (1st Earl of Crawford ) Crawford [1.1.3.1] b. Abt 1100 d. 1146
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- 4 Conan IV "La Petit" Duke of Brittany [1.1.3.2] d. 20 Feb 1170-1171
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- 4 Enoguen (Nun) of Brittany [1.1.3.3] d. Yes, date unknown
- 4 Brian of Bedale Fitzalan [1.1.3.4] d. Yes, date unknown
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- 4 Constance De Bretagne [1.1.3.5] d. Aft 23 Jun 1184
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- 4 Reginald (1st Earl of Crawford ) Crawford [1.1.3.1]
- Eudon II (Duke of Brittany) Viscount De Porhoët d. 1170
- 4 Alienor De Porhoët [1.1.3.6] d. Yes, date unknown
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- 4 Alienor De Porhoët [1.1.3.6]
- 3 Hoel of Brittany [1.1.1]
- 2 Brian (Lord of Abergavenny) Fitzcount [1.2] d. Yes, date unknown
- 2 Conan III 'Le Gros' Duke of Brittany [1.1]
- + Constance of Normandy b. Abt 1066 d. 13 Aug 1090