King George VI, Queen Elizabeth and Princess Margaret attended the Coming-Out Ball for the Queen’s twin nieces, Mary and Patricia Bowes-Lyon, at Londonderry House on Park Lane on this day in 1949, 75 years ago.

Princess Margaret joined the King and Queen for the Coming-Out Ball of her twin nieces, Mary and Patricia Bowes-Lyon, daughters of Capt. The Hon. Michael Claude Hamilton Bowes-Lyon and Elizabeth Margaret Cator, at Londonderry House in London, which was the London Home of the Marquess of Londonderry. Mary and Patricia Bowes-Lyon became Ladies upon the accession of their brother as the 17th Earl of Strathmore and Kinghorne in 1972.

King George Vi (died 6/2/52) & Queen Elizabeth ( Queen Mother) (died 30/3/02) July 1949. The King And Queen And Princess Margaret Arriving For The Ball This Evening At Londonderry House. Coming Out Party For The Queens 17 Year Old Twin Neices Mary and Patricia Bowes-Lyon

Queen Elizabeth wore Queen Mary’s Fringe Tiara with the Coronation Earrings, Queen Alexandra’s Wedding Necklace and her Cartier Bracelets.

Crown