3709951 Prince Maurice and Frederick Henry at the Valkenburg Horse Fair, 1618 (oil on panel) by Venne, Adriaen Pietersz. van de (1589-1662); 54.2x133.5 cm; Rijksmuseum, Amsterdam, The Netherlands; (add.info.: On the death of William of Orange in 1584, his son Maurice (1567-1625) was appointed stadtholder, the most important position in the Dutch Republic. The arrival here of Prince Maurice and his younger brother Frederick Henry ??in a carriage drawn by six grey horses ??underscores the contrast between the elegant conduct of Hague courtiers and the boorish manners of the peasants. ).