Baudouin IV the Builder de Hainaut was born 1108 to Baldwin III de Hainaut (-1120) and Yolanda van Gelre (-1131) and died 1171 of unspecified causes. He married Alix de Namur (1109-1168) 1134 JL in Namur, Belgium. Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Hugh Capet (c940-996). Ancestors are from Germany, France, the United Kingdom, the Netherlands, Belgium.


Offspring of Baudouin IV de Hainaut and Alix de Namur (1109-1168)
Name Birth Death Joined with
Yolande de Hainaut (1131-1202) 1131 1201 Ives II de Nesle
Hugues IV de Saint-Pol (c1157-1205)

Baudouin de Hainaut (1134-1147)
Agnes de Hainaut (1142-1168) 1142 1168 Raoul I de Coucy (c1134-1191)

Florence de Hainaut (1145-1181) 1145 1181 Bouchard V de Montmorency (c1129-1189)

Godefroy de Hainaut (1147-1163)
Baudouin V de Hainaut (1150-1195) 1150 17 December 1195 Margaret I of Flanders (c1143-1194)
Unknown mistress

Laurette de Hainaut (1150-1181)
Guillaume de Hainaut (?-1230)
Henri de Hainaut (?-1230)

Common ancestors of Baudouin IV de Hainaut (1108-1171) and Alix de Namur (1109-1168)

  1. Barbe de Lebarten (964-1044)
  2. Gothelon I de Lorraine (c967-1044)

Footnotes (including sources)

‡ General

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