Around 1654 Van der Neer, who probably had just finished his education with Van Loo, traveled to Orange, Vaucluse in the South of France and entered the service of Friedrich von Dohna (1621–1688), Governor of the Principality of Orange.
By German Mediatisation, the county Dietz and its dependencies, and the Lordships Wehrheim and Burbach, all came under the sovereignty of the Duke of Nassau-Usingen and the Prince of Nassau-Weilburg.
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In addition, the following mediatised areas were added under his sovereignty: the Herrlichkeit Westerburg, the Herrlichkeit Schadeck, and that part of the county Wied-Runkel that lay on the right bank of the river Lahn.
At different times, he was General Field Marshal of the Holy Roman Empire of German Nation and of the United Provinces of the Netherlands under Prince William III of Orange.
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Their heirs became Princes of Orange in the early fifteenth century, when Jean III de Chalon-Arlay married the heiress of the Principality of Orange; the title baron of Arlay is still held by Willem-Alexander of the Netherlands.
His son John III of Chalon-Arlay inherited Arlay from Hugo II in 1377 and married Mary of Baux-Orange, who was the heiress of the Principality of Orange.