Table:
text: Duke of Rohan
House of Rohan-Chabot
House of Rohan-Chabot
Name_ Birth Marriage Became_Duke Ceased_to_be_Duke Death Spouse
Alain de Rohan-Chabot 1 December 1844 26 June 1872 6 August 1893 father`s death 6 January 1914 6 January 1914 Herminie de La Brousse de Verteillac
Josselin de Rohan-Chabot 4 April 1879 11 June 1906 6 January 1914 father`s death 13 July 1916 13 July 1916 Marguerite Marie de Rohan-Chabot
Alain Louis Auguste de Rohan-Chabot 10 May 1913 5 May 1937 13 July 1916 father`s death 17 May 1966 17 May 1966 Helene Claire Marie de Liencourt
Josselin de Rohan-Chabot 5 June 1938 17 November 1973 17 May 1966 father`s death N/A N/A Antoinette Jeanne Yvonne Boegner
Name Birth Marriage Became Duke Ceased to be Duke Death Spouse

Question: From the list of all Dukes of Rohan, on what date did Antoinette marry Jeanne Yvonne Boegner?