Friedrich Prince of Prussia
- Category : Notable-Famous-Royal-family
- Type : GP
- Profile : 4/6 - Opportunistic / Role Model
- Definition : Single
- Incarnation Cross : RAX Eden 4
German royalty, the son of Crown Prince Wilhelm of Germany and Duchess Cecilie of Mecklenburg-Schwerin.
On 30 July 1945, he married Lady Brigid Katherine Rachel Guinness, daughter of Rupert Guinness, 2nd Earl of Iveagh, at Little Hadham, Hertfordshire. They had five children.
Friederich was studying at Cambridge, living incognito under the name of Count von Lingen, when war broke out in September, 1939. He was arrested and interned in May, 1940. He was held in England for several months, then sent to internment camps near Quebec City and, soon afterwards, Farnham, Quebec. In both camps, he was elected camp leader by fellow inmates.
Being a descendant of Sophia of Hanover, and having rights under the Act of Settlement 1701, as amended by the Sophia Naturalisation Act 1705, Prince Frederick was naturalised as a British citizen in October 1947 under the name Mr. Friedrich Von Preussen. He drowned in the Rhine on 20 April 1966.