<http://schema.org/description>
"Portraits of the four sisters of Prince Philip, Duke of Edinburgh, pictured in 1930. Top left is Princess Margaret or Margarita of Greece (1905 -1981), Princess of Hohenlohe-Langenburg, top right is Princess Sophia of Greece (1914 - 2001), Princess of Hesse-Cassel, bottom right, Princess Cecilie"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mediastorehouse.com/sisters-of-prince-philip-duke-of-edinburgh/print/7196745.html>