>Queen Elizabeth II has two mentally retarded sisters who lived their lives hidden in care homes.
Actually it was the present Queen's mother, Queen Elizabeth the Queen Mother. She had not two but five cousins (in the Bowes-Lyon family) checked into a Victoria-era institution on the same day in 1941, which coincided with the Blitz, German bombing of London: http:// articles.latimes.com/1987-04-07/news/mn-323_1_queen-mother
http:// www.dailymail.co.uk/femail/article-2059831/The-Queens-hidden-cousins-They-banished-asylum-1941-left-neglected-intriguing-documentary-reveals-all.html