Prince William of Hesse-Kassel was the first son of Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen. He was titular Landgrave of Hesse-Kassel- and for many years heir presumpt
Portrait, c. 1810–1835
Gathering of royals in the castle of Rumpenheim (Including Landgrave Wilhelm (seated to the right in the picture), his grandson-in-law Albert Edward, Prince of Wales, later King Edward VII, his granddaughter Princess Alexandra of Wales, later Queen Alexandra, and his niece Princess Mary Adelaide of Cambridge, later Duchess of Teck, 1865)
Princess Caroline of Nassau-Usingen was the elder daughter of Karl Wilhelm, Prince of Nassau-Usingen, and wife of Landgrave Frederick of Hesse-Kassel.
Prince William of Hesse-Kassel
…Prince William of Hesse-Kassel (24 December 1787 – 5 September 1867) was the first son of Prince Frederick of Hesse-Kassel and Princess Caroline of Nassau-Usingen. He was titular Landgrave of Hesse-Kassel-(Rumpenheim) and for many years heir presumptive to the throne of Hesse-Kassel. Prince William was born in…
Portrait, late 18th/early 19th century