Baldwin IV, Count of Hainaut

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: