FILE IMAGES: Antony Armstrong-Jones, 1st Earl of Snowdon (March 7, 1930 - January 13, 2017), commonly known as Lord Snowdon, was an English photographer and film maker. He was married to Princess Margaret, younger daughter of King George VI and younger sister of Queen Elizabeth II. Lord Snowdon died peacefully at his home. Pictured: Lord Snowdon (Antony Armstrong Jones) And Princess Margaret. 1965.