equivalent) at Paris IV, La Sorbonne in Philosophy, submitting a thesis in French entitled L'autorité de l'État (English: "The authority of the state").
[4] They married on 4 November 2006 in the Church of Santo Stefano degli Abissini in the Vatican City, following a civil ceremony on 19 October 2006 in a London register office,[7] and she became Lady Nicholas Windsor.
[9] Lord and Lady Nicholas Windsor's first child, a son, Albert Louis Philip Edward, was born on 22 September 2007, at the Chelsea and Westminster Hospital, London.
Lady Nicholas gave birth to their second child, Leopold Ernest Augustus Guelph, on 8 September 2009 at the Chelsea and Westminster Hospital.
[citation needed] A third son, Louis Arthur Nicholas Felix Windsor, was born on 27 May 2014 at Chelsea and Westminster Hospital and like his brother Albert was baptised with Catholic rites in the Queen's Chapel at St James's Palace in London.