Prince Frederick George William Christopher of Prussia (; 19 December 1911 – 20 April 1966), also known as Friedrich von Preussen in the United Kingdom, was the fourth son of Crown Prince Wilhelm of Germany and Duchess Cecilie of Mecklenburg-Schwerin.
Marriage and issue
Prince Frederick married Lady Brigid Guinness on 30 July 1945 at Little Hadham. They had five children:
thumb|Prince Nicholas, the eldest son of Prince Frederick
- Prince Frederick Nicholas (b. 1946) married non-dynastically Hon. Victoria Lucinda Mancroft (daughter of Stormont Mancroft, 2nd Baron Mancroft) in 1980 in London, and has issue.
- Prince Andreas "Andrew" (b. 1947) married non-dynastically
British naturalisation in 1947
He renounced his German citizenship in 1947.