Floris de Voogd (c. 1228 – March 26, 1258 in Antwerp) "the guardian"[citation needed] of Holland, son of Floris IV, Count of Holland (1210–1234) and Matilda of Brabant (ca.
[citation needed] He reigned temporarily for William II of Holland while the latter was engaged in Germany.
In 1256 he signed a peace treaty (called the "Treaty of Péronne") with Flanders on the status of Zeeland, reaffirming Flanders' rights west of the Scheldt river.
Flanders was forced to compensate Holland for the damages of the war and only after this Margaretha's sons were freed.
Floris was killed at a tournament in Antwerp, and was buried in Middelburg.