Lady Mary Colman

Lady Mary Cecilia Colman (née Bowes-Lyon; 30 January 1932 – 2 January 2021) was an English socialite, philanthropist, and extra lady-in-waiting to Princess Alexandra, The Hon. Lady Ogilvy. 
The daughter of Michael Bowes-Lyon and Elizabeth Margaret Cator, her paternal aunt was Queen Elizabeth The Queen Mother, and she was thus a first cousin of Queen Elizabeth II and Princess Margaret, Countess of Snowdon. 
Lady Mary died at her home in Bixley, Norfolk on 2 January 2021, aged 88.