Marriage and issue

On 29 December 1941, he married Baroness Maria Anna Sybilla Margaretha von Humboldt-Dachröden (9 July 1916 – 24 September 2003) in Oels, Schlesien. They divorced a little over a year later in early 1943 (the same year she would later give birth to Hubertus' cousin, Ernest Augustus', illegitimate son),^[1] and on 5 June of that year, he married again to Princess Magdalena Reuss of Köstritz (20 August 1920 – 10 October 2009). They had two daughters:

• Princess Anastasia Victoria Cecilia Hermine of Prussia (born 14 February 1944); married Alois-Konstantin, 9th Prince of Löwenstein-Wertheim-Rosenberg and had issue.
• Princess Marie Christine of Prussia (18 July 1947 – 29 May 1966); died from injuries resulting from a car accident.

Prince Hubertus died of appendicitis on 8 April 1950 at Windhoek, South West Africa. He was buried in Hohenzollern Castle.