Yolande de Coucy

✓ Yolande de Coucy ([1164]-Braine 18 Mar 1222), da. of Raoul I, Seigneur de Coucy, by his first wife Agnes de Hainaut (Chronicon Hanoniense: she married 'Roberto comiti de Drecis et de Braina, filioque Roberti comitis fratris Ludovici regis Francorum'); 2nd wife of Robert II de Dreux and mother of Pierre Mauclerc. Source: Medieval Lands (fmg.ac, Cawley), read 2 Nov 2026: 'Dreux & Mantes' (pardreman). [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.]