Maria of Nassau or Maria of Orange-Nassau was a Dutch princess of the house of Orange and by marriage pfalzgräfin or countess of Simmern-Kaiserslautern.
Maria of Orange-Nassau by Johannes Mytens
Frederick Henry was the sovereign prince of Orange and stadtholder of Holland, Zeeland, Utrecht, Guelders, and Overijssel in the Dutch Republic from his older half-brother's death on 23 April 1625 unt
Portrait by Anthony van Dyck, c. 1629
Portrait of Prince Frederick Henry by Michiel Janszoon van Mierevelt, painted c. 1620–1624
Portrait by Michiel Janszoon van Mierevelt, 1632
Frederick Henry and Ernst Casimir at the siege of 's-Hertogenbosch, 1629