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Baldwin IV, Count of Hainaut 
Summary
Baldwin IV (1108 – 8 November 1171) was count of Hainaut from 1120 to his death.
Baldwin IV | |
|---|---|
| Born | 1108 |
| Died | 8 November 1171 |
| Noble family | House of Flanders |
| Spouse(s) | Alice of Namur |
| Issue | Baldwin V, Count of Hainaut |
| Father | Baldwin III, Count of Hainaut |
| Mother | Yolande de Wassenberg |
Baldwin IV was the son of Count Baldwin III of Hainaut and Yolande de Wassenberg.[1] Also known as Baldwin the Builder, he purchased the property of Ath in 1158 and built the Burbant tower. He ceded the locality of Braine-la-Willotte, also known as Braine-le-Comte, to the chapter of Sainte-Waudru in 1158. In 1159, he incorporated the seigniory of Chimay and in 1160 the châtellenies of Valencians and of Ostrevent.
Baldwin IV married Alice,[1] heiress of Namur, and had the following children:
- Yolande (1131–1202), married first to Ivo II, Count of Soissons,[1] and second to Hugh IV, Count of St Pol[1]
- Baldwin (1134–1147)
- Agnes (1142–1168), married Ralph I, Lord of Coucy[1] and had children including Yolande de Coucy, wife of Robert II, Count of Dreux.[2]
- Geoffrey, Count of Ostervant (1147–1163), first husband of Eleanor, Countess of Vermandois
- Lauret(t)a (1150–1181), married first to Thierry of Alost,[3] and second to Bouchard IV, Count of Montmorency[4]
- Baldwin V (1150–1195),[3] also count of Flanders by his marriage to Margaret I of Flanders.
