Floris IV, Count of Holland
|Count of Holland|
|Reign||1222 - 19 July 1234|
|Born||24 June 1210|
The Hague, Holland
(now The Hague, Netherlands)
|Died||19 July 1234 (aged 24)|
|Spouse||Matilde of Brabant|
|Father||William I, Count of Holland|
|Mother||Adelaide of Guelders|
Floris 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 in the crusade against the Stedinger north of Bremen in 1234.
They had the following children:
- William II, Count of Holland (1227–1256), married Elisabeth of Brunswick-Luneburg; parents of Floris V, Count of Holland
- Floris de Voogd (ca. 1228 – 1258), Regent of Holland in 1256–1258.
- Adelaide of Holland (ca. 1230–1284), Regent of Holland in 1258–1263 married John I of Avesnes, Count of Hainaut.
- Margaret (d. 1277), married Count Herman I of Henneberg-Coburg
| Count of Holland