Baldwin IV (1108 – 8 November 1171) was

count of Hainaut The Count of Hainaut (; ; ) was the ruler of the county of Hainaut, a historical region in the Low Countries (including the modern countries of Belgium, the Netherlands, Luxembourg and parts of northern France and western Germany). In English-la ...

from 1120 to his death. Baldwin IV was the son of Count Baldwin III of Hainaut and Yolande de Wassenberg.Gislebertus (of Mons), ''Chronicle of Hainaut'', transl. Laura Napran, (The Boydell Press, 2005), 40. Also known as Baldwin the Builder, he purchased the property of

Ath Ath (; nl, Aat, ; pcd, Ât; wa, Ate) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. The municipality consists of the following districts: Arbre, Ath, Bouvignies, Ghislenghien, Gibecq, Houtaing, ...

in 1158 and built the Burbant tower. He ceded the locality of Braine-la-Willotte, also known as

Braine-le-Comte Braine-le-Comte (; nl, ’s-Gravenbrakel, ; wa, Brinne-e-Hinnot) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. On January 1, 2018, Braine-le-Comte had a total population of 21,649. The total area is whic ...

, to the chapter of Sainte-Waudru in 1158. In 1159, he incorporated the

seigniory In English law, seignory or seigniory, spelled ''signiory'' in Early Modern English (; french: seigneur, lit=lord; la, senior, lit=elder), is the lordship (authority) remaining to a grantor after the grant of an estate in fee simple. ''Nulle terre ...

of Chimay and in 1160 the châtellenies of Valencians and of Ostrevent. 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 Eleanor of Vermandois also known as Eléonore de Vermandois or Aénor de Vermandois (1148 or 1149 – 19 or 21 June 1213) was ruling countess of Vermandois in 1182-1213 and by marriage countess of Ostervant, Nevers, Auxerre, Boulogne and Be ...

* Lauret(t)a (1150–1181), married first to Thierry of Alost,Gislebertus (of Mons), ''Chronicle of Hainaut'', 41. and second to Bouchard IV, Count of MontmorencyGislebertus (of Mons), ''Chronicle of Hainaut'', 42. *

Baldwin V Baldwin is a Germanic name, composed of the elements ''bald'' "bold" and ''win'' "friend". People * Baldwin (name) Places Canada * Baldwin, York Regional Municipality, Ontario * Baldwin, Ontario, in Sudbury District * Baldwin's Mills, ...

(1150–1195), also count of Flanders by his marriage to Margaret I of Flanders.

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See also