Adelaide of Holland

Adelaide of Holland
Statue of Aleida of Holland
Born	c. 1230
Died	1284 (aged 53–54)
Buried	Valenciennes
Noble family	Holland
Spouse(s)	John I, Count of Hainaut
Issue	John II, Count of Hainaut and Holland Baldwin of Hainaut Joanna, Abbess of Flines Bouchard, Bishop of Metz Guy of Avesnes William, Bishop of Cambrai Florent of Hainaut
Father	Floris IV, Count of Holland
Mother	Matilda of Brabant

Adelaide of Holland (Dutch: Aleide (Aleidis); c. 1230 – buried 9 April 1284), was a Countess of Hainaut by marriage to John I, Count of Hainaut. She acted as the regent of the County of Holland during the minority of her nephew Count Floris V between 1256 and 1263.

She was a daughter of Floris IV, Count of Holland and Matilda of Brabant,^[1] and a sister of William II, Count of Holland and King of Germany.