Lady Brigid Guinness

Lady Brigid Katharine Rachel Guinness (30 July 1920 – 8 March 1995) was the youngest daughter of Rupert Guinness, 2nd Earl of Iveagh, and wife of Prince Frederick of Prussia, grandson of Wilhelm II, German Emperor.

Brigid was born in London, fifth child and youngest daughter of Rupert Guinness, 2nd Earl of Iveagh (1874–1967, son of Edward Guinness, 1st Earl of Iveagh), and his wife, Lady Gwendolen Onslow (1881–1966, daughter of William Onslow, 4th Earl of Onslow).

She belonged to the Guinness family, Irish Protestants noted for their accomplishments in brewing, banking, politics and diplomacy.

During the Second World War she served as an auxiliary nurse, where she met her future husband, Prince Frederick of Prussia, when he was injured in an accident involving a tractor.

Brigid married on 30 July 1945 at Little Hadham, Hertfordshire to Prince Frederick of Prussia (1911–1966), fourth son of William, German Crown Prince, and his wife, Duchess Cecilie of Mecklenburg-Schwerin, and grandson of Wilhelm II, German Emperor.