Floris IV, Count of Holland
| Floris IV of Holland | |
|---|---|
| Count of Holland | |
 |
|
| Reign | 4 February 1222 – 19 July 1234 |
| Predecessor | William I |
| Successor | William II |
| Born |
24 June 1210 The Hague |
| Died | 19 July 1234 (age 24) Corbie, France |
| Burial | Rijnsburg Abbey |
| Spouse | Matilde of Brabant |
| Issue |
William II Floris de Voogd Adelaide of Holland Margaret Mechtild |
| Father | William I |
| Mother | Adelaide of Guelders |
Floris IV (24 June 1210 – 19 July 1234), Count of Holland from 1222 to 1234. He was born at The Hague, a son of William I of Holland and his first wife, Adelaide of Guelders.
Floris IV succeeded his father in 1222. His regent was Baldwin of Bentheim. He acquired the Land of Altena. He had constant disputes with the bishop of Utrecht, Otto II of Lippe, but helped him against the peasants of Drenthe in 1227. Floris fought against the Stedingers north of Bremen in 1234.
On 19 July 1234, he was killed at a tournament in Corbie, France. He was buried at Rijnsburg Abbey.
He married before 6 December 1224 Matilde of Brabant, daughter of Duke Henry I of Brabant and Mathilde of Flanders also referred to as Maud of Boulogne and Alsace. Their children were:
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