Marguerite de Saint-Calais

✓ Marguerite, wife of Hugues IV, Vicomte de Chateaudun, mother of Hugues V (charters 1163, 1166, 1175). Her parentage (Sylvestre, seigneur de Saint-Calais) is unconfirmed by any primary source per Medieval Lands - surname conventional, not wired. Source: Medieval Lands (fmg.ac, Cawley), 'Chartres & Chateaudun (cfrachacha)'. [DIRECT ANCESTOR OF THE COMPILER: flag added 22 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]