Dreux (Drogo) Comte de Mantes et du Vexin

✓ Dreux (Drogo), Comte de Mantes and of the Vexin ('Droco comes Ambianensium'), son of Gauthier II 'le Blanc', Count of Valois and the Vexin, and Adela - the same couple already in this tree as parents of Raoul de Mantes (I101177), so a RING 27 Oct 2026; m. Godgifu, daughter of AEthelred II of England and Emma of Normandy, who had fled to Normandy with her brothers in 1016; his charter to Saint-Pierre de Gisors is signed by 'Droconis comitis, Eotdae comitissae, Falconis fratris comitis, Rodulfi filii comitis, Gualterii alterius filii' (Medieval Lands, HEREFORD); went on pilgrimage to Jerusalem with Robert of Normandy and died on the way, 1035 (standard accounts, note-only). Father of Ralph, Earl of Hereford, and of Gautier III of the Vexin. Source: Medieval Lands (Charles Cawley, fmg.ac), read in the browser 27 Oct 2026, 'Untitled English Nobility D-K' - EWIAS, and 'England Earls 1067-1122' - HEREFORD (Mantes), citing the Gloucester St Peter cartulary, Gesta Stephani, Red Book of the Exchequer, Domesday, the Anglo-Saxon Chronicle, Florence of Worcester, Orderic Vitalis and Simeon of Durham. [DIRECT ANCESTOR OF THE COMPILER: flag added 27 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]