Conan III Duke of Brittany

✓ as named: Conan III 'le Gros', Duke of Brittany (d. 1148), father of Berthe; on his death he disinherited his son Hoel and named Berthe's husband Eudes de Porhoet as successor (Chronicon Britannico Alter). His parentage (Alain IV Fergant and Ermengarde of Anjou) is standard but not wired. Le Baud also names Constance, first wife of Geoffroy III de Mayenne (I101519), as his daughter - not wired (Medieval Lands brackets her). TOP - nothing further wired. Source: Medieval Lands (fmg.ac, Cawley), read 2 Nov 2026: 'Brittany Dukes'. [DIRECT ANCESTOR OF THE COMPILER: flag added 2 Nov 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.] ||2 Nov 2026 - PARENTS WIRED (✓)|| Conan III (d. 17 Sep 1148), son of Alain IV Fergant by his 2nd wife Ermengarde of Anjou (Orderic: 'Conanum' son of 'Fergannus comes' and 'filiam comitis Andegavorum'); m. (1112 or before) Matilda, illegitimate da. of Henry I of England (not wired). RINGs: Anjou (Fulk IV), Brittany (Geoffrey I x Havise of Normandy), Blois (Theobald I), Burgundy (Conrad the Peaceful). TOP removed. Source: Medieval Lands (fmg.ac, Cawley), read 2 Nov 2026: 'Brittany Dukes'. ||2 Nov 2026|| Wife wired: Matilda, natural da. of Henry I of England (Henry I is in the tree as I99585; earlier search missed him because his name field read 'Henry of England'). Source: Medieval Lands (fmg.ac, Cawley), 'Brittany Dukes' and 'Brittany Nobility - Nantes, Porhoet, Rennes' (Eudes II de Porhoet), read 2 Nov 2026.