Ermengarde d'Auvergne

✓ Ermengarde d'Auvergne (after 1042), 2nd wife of Eudes II of Blois; mother of Berthe, Duchess of Brittany. Medieval Lands brackets her parentage ([Guillaume IV, Comte d'Auvergne, by Humberge de Brioude]) - not wired. TOP - nothing further wired. Source: Medieval Lands (fmg.ac, Cawley), read 2 Nov 2026: 'Central France - Blois, Tours'. [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.]