Princess Elizabeth couldn’t come, because she was married by then and in Malta with her husband, Prince Philip. Later, however, I found out that his father, Jack, Earl Spencer, had told him not to marry me because I had Trefusis blood. My earliest memories of Princess Elizabeth and Princess Margaret come from when I was two or three years old. Princess Elizabeth is frowning at Princess Margaret, suspecting she is up to no good, while Princess Margaret is staring down at my shoes. The protection officers learnt to accept that there was no question of the Queen Mother not heading in their direction.
Source: Daily Mail October 01, 2019 21:56 UTC