short summary from Wikipedia

Princess Margaret

Countess of Snowdon

Spouse Antony Armstrong-Jones, 1st Earl of Snowdon

(m. 1960, div. 1978)

Issue

David Armstrong-Jones, Viscount Linley

Lady Sarah Chatto

Full name

Margaret Rose

House House of Windsor

Father George VI

Mother Elizabeth Bowes-Lyon

Born 21 August 1930

Glamis Castle, Scotland

Died 9 February 2002 (aged 71)

King Edward VII Hospital, London

Burial King George VI Memorial Chapel, St. George's Chapel, Windsor Castle

Wikipedia links:

العربية, Català, Dansk, Deutsch, English, Español, Eesti, Suomi, Français, עברית, Magyar, Bahasa Indonesia, Íslenska, Italiano, Nederlands, ‪Norsk (bokmål)‬, Polski, Português, Română, Română, Svenska, ไทย,

other links:

http://www.britroyals.com/windsor.asp?id=princess_margaret

http://www.cbc.ca/news/obit/margaret/

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=6182151

http://www.geneall.net/U/per_page.php?id=7048

http://www.ifamilyforleopard.com/royal92/HTMLFiles/HTMLFiles_01/Margaret%20Rose%20WINDSOR_P3001.html

http://www.nndb.com/people/301/000083052/

http://www.thamesweb.co.uk/windsor/windsorhistory/pmr/pmr1930_2002.html

http://thepeerage.com/p10070.htm#i100700