Adelaide of Holland
Countess of Hainaut (c.1230–1284)
(1230–1284)
Parents
Floris IV, Count of Holland
Matilda of Brabant
Children
John I of Hainaut
Willem van Avesnes
Guy of Avesnes
Bouchard d'Avesnes
Florent of Hainaut
Siblings
Floris de Voogd
William II of Holland
Margaret of Holland, Countess of Henneberg
Partners
John I, Count of Hainaut