Table:
text: Duchess of Teschen
House of Habsburg-Lorraine, 1765–1918
House of Habsburg-Lorraine, 1765–1918
Name_ Birth Marriage Became_Duchess Ceased_to_be_Duchess Death Spouse
Maria Josepha of Bavaria 30 March 1739 23 January 1765 18 August 1765 husband`s accession 7/8 April 1766 Title passed to sister-in-law 28 May 1767 Joseph II
Archduchess Maria Christina of Austria , Suo jure 13 May 1742 7/8 April 1766 7/8 April 1766 24 June 1798 24 June 1798 Albert I
Princess Henrietta of Nassau-Weilburg 30 October 1797 15/17 September 1815 10 February 1822 husband`s accession 29 December 1829 29 December 1829 Charles II
Princess Hildegard of Bavaria 10 June 1825 1 May 1844 30 April 1847 husband`s accession 2 April 1864 2 April 1864 Albert II
Princess Isabella of Croÿ 27 February 1856 8 October 1878 18 February 1895 husband`s accession 1918 Monarchy abolished 5 September 1931 Frederick

Question: Regarding the Duchess of Teschen in the House of Habsburg Lorraine 1765 1918, when did the Duchess, who died on 7/8. April 1766 became duchess, to be duchess?

Question: What is the date of birth of the Duchess who married the Duchess of Teschen, 1765–1918, on May 1, 1844 in the House of Habsburg-Lorraine?