Background
He was the son of Count Henry II of Nassau-Siegen (1611–1652) and his first wife Maria Magdalene of Limburg-Styrum (1632–1707).
He was the son of Count Henry II of Nassau-Siegen (1611–1652) and his first wife Maria Magdalene of Limburg-Styrum (1632–1707).
In 1664, he was elevated to Prince of Nassau-Siegen. In 1664, William Maurice was elevated to the rank of Imperial Prince. When John Maurice died in 1679, William Maurice inherited Nassau-Siegen.
William Maurice had a summer residence in Hilchenbach.
In 1683, he built a new castle there (Wilhelmsburg, ie "William Castle"), which was largely destroyed by fire in 1689. Today, the Hilchenbach city archives are housed in this castle.
Her maternal grandfather was the famous Field Marshal Peter Melander, Count of Holzappel. The marriage produced two sons:
Frederick William Adolf (1680–1722), married:
Landgravine Elisabeth Francisca of Hesse-Homburg (6 January 1681 – 12 November 1707)
Duchess Amalie Louise of Courland (23 July 1687 – 18 January 1750)
Charles Louis Henry (1682–1694)
William Maurice died on 23 January 1691.