Wives of younger sons of peers

Sophie Lara Winkleman (born 5 August 1980) is an English actress. She is the wife of Lord Frederick Windsor, son of Queen Elizabeth II's first cousin Prince Michael of Kent, and as such is also known as Lady Frederick Windsor.

April Ashley MBE (29 April 1935 – 27 December 2021) was an English model, actress, and author. She was outed as a transgender woman by The Sunday People newspaper in 1961 and is one of the earliest British people known to have had sex reassignment surgery. Her marriage was annulled in a notable court case known as Corbett v Corbett.

Princess Alexandra, The Honourable Lady Ogilvy (Alexandra Helen Elizabeth Olga Christabel; born 25 December 1936), is a member of the British royal family. The only daughter of Prince George, Duke of Kent, and Princess Marina of Greece and Denmark, she is a granddaughter of George V, niece of Edward VIII and George VI, and first cousin of Elizabeth II. Alexandra's mother was also a first cousin of Prince Philip, Duke of Edinburgh, consort of Elizabeth II, making her both a second cousin and first cousin once removed to Charles III.

Lady Colin Campbell (born George William Ziadie; 17 August 1949; later named Georgia Arianna Ziadie) is a Jamaican-born British writer, socialite and television and radio personality who has published three books about the British royal family. They include biographies of Diana, Princess of Wales, which was on The New York Times bestseller list in 1992, and Queen Elizabeth The Queen Mother.

Lady Nicholas Windsor (born Paola Louise Marica Doimi de Lupis, 7 August 1969) is the wife of Lord Nicholas Windsor, son of the Duke and Duchess of Kent.

Lady Charles Cavendish-Bentinck (born Anne Wellesley; 29 February 1788 – 19 March 1875), known between 1806 and 1816 as Lady Abdy, was a British aristocrat and a great-great-grandmother of Queen Elizabeth II.

Princess Patricia of Connaught (Victoria Patricia Helena Elizabeth; later Lady Patricia Ramsay; VA CI GCStJ 17 March 1886 – 12 January 1974) was a granddaughter of Queen Victoria. Upon her marriage to Alexander Ramsay, she relinquished her title of a British princess and the style of Royal Highness.

Lady Henry Somerset (née Lady Isabella Caroline Somers-Cocks; 3 August 1851 – 12 March 1921) was a British philanthropist, temperance leader and campaigner for women's rights. As president of the British Women's Temperance Association she spoke at the first World's Woman's Christian Temperance Association convention in Boston in 1891.

Anna Constantia Thynne, Lady John Thynne (née Beresford; 1806–1866) was a British marine zoologist. In 1846, she built the first stable and sustained marine aquarium and maintained corals and sponges in it for over three years.

Elisabeth Furse (30 August 1910 – 14 October 2002) was a Communist activist, World War II resistance escape route organizer, London bistro proprietress, and an early member of the Association of Cinematograph and Television Technicians (ACCT).