William Louis of Nassau-Dillenburg was Count of Nassau-Dillenburg from 1606 to 1620, and stadtholder of Friesland, Groningen, and Drenthe.
Engraving of William Louis
Count George of Nassau-Beilstein, later also Count of Nassau-Dillenburg, was the third son of Count John VI "the Elder" of Nassau-Dillenburg from his first marriage with Landgravine Elisabeth of Leuch
