People Paul Friedrich I, Grand Duke of Mecklenburg-Schwerin grand duke of Mecklenburg-Schwerin (1800-1842)15 September 1800 – 7 March 1842 Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin13 June 1778 – 29 November 1819Grand Duchess Elena Pavlovna of Russia24 December 1784 – 24 September 1803 Paul Friedrich I, Grand Duke of Mecklenburg-Schwerin15 September 1800 – 7 March 1842Princess Alexandrine of Prussia23 February 1803 – 21 April 1892 ParentsFrederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin13 June 1778 – 29 November 1819Grand Duchess Elena Pavlovna of Russia24 December 1784 – 24 September 1803Spouses and partnersPrincess Alexandrine of Prussia23 February 1803 – 21 April 1892SiblingsDuchess Marie Louise of Mecklenburg-Schwerin31 March 1803 – 26 October 1862 From Wikipedia and Wikidata (public domain), updated daily.