He is also survived by Polly Fry, a daughter he fathered before his marriage to Princess Margaret.
Buckingham Palace acknowledged that the Queen received news of her former brother-in-law's death, but they did not comment further.
Lord Snowdon and Princess Margaret had two children together before they separated, David Armstrong-Jones, Viscount Linley, and Lady Sarah Armstrong-Jones. He also worked as a photographer for Vogue.
However, their marriage ended during the Millennium because Lord Snowdon was accused of having an extra marital affair.
In fact, he met Princess Margaret while shooting portraits of the royal family in the 1950s.
His body of photographic work featured the cream of British society, although he was usually dismissive about his work.More news: 'American Horror Story' will run through Season 9 on FX
Princess Margaret died in 2002. "It was very avant-garde".
In the 1960s, Lord Snowdon took on the position of artistic advisor of the Sunday Times magazine and in the 1970s was recognized as one of Britain's most respected photographers.
Lord Snowdon was a member of the Messel family and his grandparents Colonel and Mrs Messel gave the Nymans estate to the National Trust in the fifties.
Image copyright Getty Images Image caption Lord Snowdon at an exhibition of his photographs circa 1975 in NY. The couple had one daughter, Lady Frances Armstrong-Jones, born on July 17, 1979.
He was educated at Sandroyd School, Salisbury, and then Eton, before heading to Jesus College, Cambridge, to study natural history.
During his career he photographed actors and actresses for theatre publicity shots, including Laurence Olivier and Marlene Dietrich.