Hugues IV de Chateaudun

✓ Hugues IV, Vicomte de Chateaudun, m. Marguerite ('Hugo Castriduni vicecomes... uxor mea Margarita', 1163/1175); father of Geoffroy IV and Hugues V. His parents 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.]