Person:Baudouin IV "le Batisseur" , Comte de Hainaut (1)

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Baldwin IV (1108 – 8 November 1171) was count of Hainaut from 1120 to his death.

Baldwin IV was the son of Count Baldwin III of Hainaut and Yolande de Wassenberg. 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.
• Geoffrey, Count of Ostervant (1147–1163), first husband of Eleanor, Countess of Vermandois
• Lauret(t)a (1150–1181), married first to Thierry of Alost, and second to Bouchard IV, Count of Montmorency
• Baldwin V (1150–1195),^[2] also count of Flanders by his marriage to Margaret I of Flanders.

1.   Baldwin IV, Count of Hainaut, in Wikipedia: The Free Encyclopedia.
2.   Baldwin IV de Mons, Comte de Hainaut, in Lundy, Darryl. The Peerage: A genealogical survey of the peerage of Britain as well as the royal families of Europe.
3.   BAUDOUIN de Hainaut, son of BAUDOUIN III Comte de Hainaut & his wife Yolande van Gelre ([1110]-6/8 Nov 1171, bur Binche, Monastery of St Marie), in Cawley, Charles. Medieval Lands: A prosopography of medieval European noble and royal families.
4. ↑ mini biographie, in Wikipedia FR
   [[1]], trouvée 2017.

   Baudouin IV de Hainaut, dit « Baudouin l'édificateur » ou « Baudouin le bâtisseur », né en 1108, mort le 8 novembre 1171, comte de Hainaut de 1120 à 1171, fils de Baudouin III, comte de Hainaut, et de Yolande de Wassemberg.
   
   Comme il était mineur à la mort de son père, la régence fut assurée par sa mère qui dirigea le pays avec prudence et fermeté. Elle négocia les fiançailles de son fils avec Alix de Namur, et assura par traité les droits de cette dernière au comté de Namur. Elle laissa son fils gouverner en 1127.