Children
Baldwin IV married Alice, heiress of Namur, and had the following children: * Yolande (1131–1202), married first to Ivo II, Count of Soissons, and second to Hugh IV, Count of St Pol * Baldwin (1134–1147) * Agnes (1142–1168), married Ralph I, Lord of Coucy and had children including Yolande de Coucy, wife of Robert II, Count of Dreux. * Geoffrey, Count of Ostervant (1147–1163), first husband of Eleanor, Countess of Vermandois * Lauret(t)a (1150–1181), married first to Thierry of Alost,Gislebertus (of Mons), ''Chronicle of Hainaut'', 41. and second to Bouchard V, Count of MontmorencyGislebertus (of Mons), ''Chronicle of Hainaut'', 42. * Baldwin V (1150–1195), also count of Flanders by his marriage to Margaret I of Flanders.References
See also
* Counts of Hainaut family tree 1108 births 1171 deaths 12th-century counts of Hainaut House of Flanders {{Europe-noble-stub