William, Landgrave of Hesse-Philippsthal

William of Hesse-Philippsthal (born: 29 August 1726 in Philippsthal; died: 8 August 1810, Philippsthal) was a member of the House of Hesse and Landgrave of Hesse-Philippsthal from 1770 until his death.
Life.
William was the eldest son of Landgrave Charles I of Hesse-Philippsthal from his marriage to Caroline Christine of Saxe-Eisenach (1699–1743), daughter of Duke John William III of Saxe-Eisenach. He succeeded his father in 1770 as Landgrave of Hesse-Philippsthal.
William served in the Dutch army as General of the Cavalry and Governor of 's-Hertogenbosch. William was also Komtur of the Knights Hospitallers of the Commandry of Łagów.
In 1806, the Landgraviate of Philippsthal was occupied by French troops and annexed to the short-lived Kingdom of Westphalia. William died before his territory could be liberated from the French.
Marriage and issue.
William married on 22 June 1755 in Tournai his cousin Ulrika Eleonora (1732–1795), daughter of Landgrave William of Hesse-Philippsthal-Barchfeld, with whom he had the following children: